diff --git a/.allyear b/.allyear
new file mode 100644
index 000000000..454515163
--- /dev/null
+++ b/.allyear
@@ -0,0 +1,321 @@
+1984/anonymous
+1984/decot
+1984/laman
+1984/mullender
+1985/applin
+1985/august
+1985/lycklama
+1985/shapiro
+1985/sicherman
+1986/applin
+1986/august
+1986/bright
+1986/hague
+1986/holloway
+1986/marshall
+1986/pawka
+1986/stein
+1986/wall
+1987/biggar
+1987/heckbert
+1987/hines
+1987/korn
+1987/lievaart
+1987/wall
+1987/westley
+1988/applin
+1988/dale
+1988/isaak
+1988/litmaath
+1988/phillipps
+1988/reddy
+1988/robison
+1988/spinellis
+1988/westley
+1989/fubar
+1989/jar.1
+1989/jar.2
+1989/ovdluhe
+1989/paul
+1989/robison
+1989/roemer
+1989/tromp
+1989/vanb
+1989/westley
+1990/baruch
+1990/cmills
+1990/dds
+1990/dg
+1990/jaw
+1990/pjr
+1990/scjones
+1990/stig
+1990/tbr
+1990/theorem
+1990/westley
+1991/ant
+1991/brnstnd
+1991/buzzard
+1991/cdupont
+1991/davidguy
+1991/dds
+1991/fine
+1991/rince
+1991/westley
+1992/adrian
+1992/albert
+1992/ant
+1992/buzzard.1
+1992/buzzard.2
+1992/gson
+1992/imc
+1992/kivinen
+1992/lush
+1992/marangon
+1992/nathan
+1992/vern
+1992/westley
+1993/ant
+1993/cmills
+1993/dgibson
+1993/ejb
+1993/jonth
+1993/leo
+1993/lmfjyh
+1993/plummer
+1993/rince
+1993/schnitzi
+1993/vanb
+1994/dodsond1
+1994/dodsond2
+1994/horton
+1994/imc
+1994/ldb
+1994/schnitzi
+1994/shapiro
+1994/smr
+1994/tvr
+1994/weisberg
+1994/westley
+1995/cdua
+1995/dodsond1
+1995/dodsond2
+1995/esde
+1995/garry
+1995/heathbar
+1995/leo
+1995/makarios
+1995/savastio
+1995/schnitzi
+1995/spinellis
+1995/vanschnitz
+1996/august
+1996/dalbec
+1996/eldby
+1996/gandalf
+1996/huffman
+1996/jonth
+1996/rcm
+1996/schweikh1
+1996/schweikh2
+1996/schweikh3
+1996/westley
+1998/banks
+1998/bas1
+1998/bas2
+1998/chaos
+1998/df
+1998/dlowe
+1998/dloweneil
+1998/dorssel
+1998/fanf
+1998/schnitzi
+1998/schweikh1
+1998/schweikh2
+1998/schweikh3
+1998/tomtorfs
+2000/anderson
+2000/bellard
+2000/bmeyer
+2000/briddlebane
+2000/dhyang
+2000/dlowe
+2000/jarijyrki
+2000/natori
+2000/primenum
+2000/rince
+2000/robison
+2000/schneiderwent
+2000/thadgavin
+2000/tomx
+2001/anonymous
+2001/bellard
+2001/cheong
+2001/coupard
+2001/ctk
+2001/dgbeards
+2001/herrmann1
+2001/herrmann2
+2001/jason
+2001/kev
+2001/ollinger
+2001/rosten
+2001/schweikh
+2001/westley
+2001/williams
+2004/anonymous
+2004/arachnid
+2004/burley
+2004/gavare
+2004/gavin
+2004/hibachi
+2004/hoyle
+2004/jdalbec
+2004/kopczynski
+2004/newbern
+2004/omoikane
+2004/schnitzi
+2004/sds
+2004/vik1
+2004/vik2
+2005/aidan
+2005/anon
+2005/boutines
+2005/chia
+2005/giljade
+2005/jetro
+2005/klausler
+2005/mikeash
+2005/mynx
+2005/persano
+2005/sykes
+2005/timwi
+2005/toledo
+2005/vik
+2005/vince
+2006/birken
+2006/borsanyi
+2006/grothe
+2006/hamre
+2006/meyer
+2006/monge
+2006/night
+2006/sloane
+2006/stewart
+2006/sykes1
+2006/sykes2
+2006/toledo1
+2006/toledo2
+2006/toledo3
+2011/akari
+2011/blakely
+2011/borsanyi
+2011/dlowe
+2011/eastman
+2011/fredriksson
+2011/goren
+2011/hamaji
+2011/hou
+2011/konno
+2011/richards
+2011/toledo
+2011/vik
+2011/zucker
+2012/blakely
+2012/deckmyn
+2012/dlowe
+2012/endoh1
+2012/endoh2
+2012/grothe
+2012/hamano
+2012/hou
+2012/kang
+2012/konno
+2012/omoikane
+2012/tromp
+2012/vik
+2012/zeitak
+2013/birken
+2013/cable1
+2013/cable2
+2013/cable3
+2013/dlowe
+2013/endoh1
+2013/endoh2
+2013/endoh3
+2013/endoh4
+2013/hou
+2013/mills
+2013/misaka
+2013/morgan1
+2013/morgan2
+2013/robison
+2014/birken
+2014/deak
+2014/endoh1
+2014/endoh2
+2014/maffiodo1
+2014/maffiodo2
+2014/morgan
+2014/sinon
+2014/skeggs
+2014/vik
+2014/wiedijk
+2015/burton
+2015/dogon
+2015/duble
+2015/endoh1
+2015/endoh2
+2015/endoh3
+2015/endoh4
+2015/hou
+2015/howe
+2015/mills1
+2015/mills2
+2015/muth
+2015/schweikhardt
+2015/yang
+2018/algmyr
+2018/anderson
+2018/bellard
+2018/burton1
+2018/burton2
+2018/ciura
+2018/endoh1
+2018/endoh2
+2018/ferguson
+2018/giles
+2018/hou
+2018/mills
+2018/poikola
+2018/vokes
+2018/yang
+2019/adamovsky
+2019/burton
+2019/ciura
+2019/diels-grabsch1
+2019/diels-grabsch2
+2019/dogon
+2019/duble
+2019/endoh
+2019/giles
+2019/karns
+2019/lynn
+2019/mills
+2019/poikola
+2019/yang
+2020/burton
+2020/carlini
+2020/endoh1
+2020/endoh2
+2020/endoh3
+2020/ferguson1
+2020/ferguson2
+2020/giles
+2020/kurdyukov1
+2020/kurdyukov2
+2020/kurdyukov3
+2020/kurdyukov4
+2020/otterness
+2020/tsoj
+2020/yang
diff --git a/1984/anonymous/index.html b/1984/anonymous/index.html
index deb297529..1cc26def0 100644
--- a/1984/anonymous/index.html
+++ b/1984/anonymous/index.html
@@ -378,7 +378,7 @@
 <div class="navbar">
   <a class="Left Disabled" href="#">first entry</a>
   <a class="Left" href="../index.html">&uarr; 1984 &uarr;</a>
-  <a class="Left" href="../decot/index.html">decot &rarr;</a>
+  <a class="Left" href="../decot/index.html">1984/decot &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/anonymous/anonymous.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/anonymous/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1984/decot/index.html b/1984/decot/index.html
index bce20986d..4980542ec 100644
--- a/1984/decot/index.html
+++ b/1984/decot/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anonymous/index.html">&larr; anonymous</a>
+  <a class="Left" href="../anonymous/index.html">&larr; 1984/anonymous</a>
   <a class="Left" href="../index.html">&uarr; 1984 &uarr;</a>
-  <a class="Left" href="../laman/index.html">laman &rarr;</a>
+  <a class="Left" href="../laman/index.html">1984/laman &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/decot/decot.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/decot/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1984/laman/index.html b/1984/laman/index.html
index 54d6c5720..69e5ebcf5 100644
--- a/1984/laman/index.html
+++ b/1984/laman/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../decot/index.html">&larr; decot</a>
+  <a class="Left" href="../decot/index.html">&larr; 1984/decot</a>
   <a class="Left" href="../index.html">&uarr; 1984 &uarr;</a>
-  <a class="Left" href="../mullender/index.html">mullender &rarr;</a>
+  <a class="Left" href="../mullender/index.html">1984/mullender &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/laman/laman.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/laman/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1984/mullender/index.html b/1984/mullender/index.html
index 63015d0f0..be59d0066 100644
--- a/1984/mullender/index.html
+++ b/1984/mullender/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../laman/index.html">&larr; laman</a>
+  <a class="Left" href="../laman/index.html">&larr; 1984/laman</a>
   <a class="Left" href="../index.html">&uarr; 1984 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1985/applin/index.html">1985/applin &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/mullender/mullender.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/mullender/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1984%2Fmullender%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1985/applin/index.html b/1985/applin/index.html
index 42210da0e..51d2bf67d 100644
--- a/1985/applin/index.html
+++ b/1985/applin/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1984/mullender/index.html">&larr; 1984/mullender</a>
   <a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
-  <a class="Left" href="../august/index.html">august &rarr;</a>
+  <a class="Left" href="../august/index.html">1985/august &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/applin/applin.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/applin/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1985%2Fapplin%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1985/august/index.html b/1985/august/index.html
index 2d752832f..15f3ef25e 100644
--- a/1985/august/index.html
+++ b/1985/august/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../applin/index.html">&larr; applin</a>
+  <a class="Left" href="../applin/index.html">&larr; 1985/applin</a>
   <a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
-  <a class="Left" href="../lycklama/index.html">lycklama &rarr;</a>
+  <a class="Left" href="../lycklama/index.html">1985/lycklama &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/august/august.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/august/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1985/lycklama/index.html b/1985/lycklama/index.html
index 2adbccecb..b204ba888 100644
--- a/1985/lycklama/index.html
+++ b/1985/lycklama/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../august/index.html">&larr; august</a>
+  <a class="Left" href="../august/index.html">&larr; 1985/august</a>
   <a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
-  <a class="Left" href="../shapiro/index.html">shapiro &rarr;</a>
+  <a class="Left" href="../shapiro/index.html">1985/shapiro &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/lycklama/lycklama.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/lycklama/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1985/shapiro/index.html b/1985/shapiro/index.html
index b5de700f3..300514a3c 100644
--- a/1985/shapiro/index.html
+++ b/1985/shapiro/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../lycklama/index.html">&larr; lycklama</a>
+  <a class="Left" href="../lycklama/index.html">&larr; 1985/lycklama</a>
   <a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
-  <a class="Left" href="../sicherman/index.html">sicherman &rarr;</a>
+  <a class="Left" href="../sicherman/index.html">1985/sicherman &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/shapiro/shapiro.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/shapiro/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1985/sicherman/index.html b/1985/sicherman/index.html
index 0e5f068cf..4ac100b4a 100644
--- a/1985/sicherman/index.html
+++ b/1985/sicherman/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../shapiro/index.html">&larr; shapiro</a>
+  <a class="Left" href="../shapiro/index.html">&larr; 1985/shapiro</a>
   <a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1986/applin/index.html">1986/applin &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1985%2Fsicherman%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1986/applin/index.html b/1986/applin/index.html
index f307cf125..14438464b 100644
--- a/1986/applin/index.html
+++ b/1986/applin/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1985/sicherman/index.html">&larr; 1985/sicherman</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../august/index.html">august &rarr;</a>
+  <a class="Left" href="../august/index.html">1986/august &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/applin/applin.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/applin/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1986%2Fapplin%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1986/august/index.html b/1986/august/index.html
index 3fda49683..163199fd0 100644
--- a/1986/august/index.html
+++ b/1986/august/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../applin/index.html">&larr; applin</a>
+  <a class="Left" href="../applin/index.html">&larr; 1986/applin</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../bright/index.html">bright &rarr;</a>
+  <a class="Left" href="../bright/index.html">1986/bright &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/august/august.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/august/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/bright/index.html b/1986/bright/index.html
index 1af341051..85d4f762d 100644
--- a/1986/bright/index.html
+++ b/1986/bright/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../august/index.html">&larr; august</a>
+  <a class="Left" href="../august/index.html">&larr; 1986/august</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../hague/index.html">hague &rarr;</a>
+  <a class="Left" href="../hague/index.html">1986/hague &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/bright/bright.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/bright/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/hague/index.html b/1986/hague/index.html
index 71b226dcc..dcaa9afdf 100644
--- a/1986/hague/index.html
+++ b/1986/hague/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bright/index.html">&larr; bright</a>
+  <a class="Left" href="../bright/index.html">&larr; 1986/bright</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../holloway/index.html">holloway &rarr;</a>
+  <a class="Left" href="../holloway/index.html">1986/holloway &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/hague/hague.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/hague/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/holloway/index.html b/1986/holloway/index.html
index b37e0d009..71e19a227 100644
--- a/1986/holloway/index.html
+++ b/1986/holloway/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hague/index.html">&larr; hague</a>
+  <a class="Left" href="../hague/index.html">&larr; 1986/hague</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../marshall/index.html">marshall &rarr;</a>
+  <a class="Left" href="../marshall/index.html">1986/marshall &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/holloway/holloway.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/holloway/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/marshall/index.html b/1986/marshall/index.html
index ed1688de6..635b6954e 100644
--- a/1986/marshall/index.html
+++ b/1986/marshall/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../holloway/index.html">&larr; holloway</a>
+  <a class="Left" href="../holloway/index.html">&larr; 1986/holloway</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../pawka/index.html">pawka &rarr;</a>
+  <a class="Left" href="../pawka/index.html">1986/pawka &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/marshall/marshall.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/marshall/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/pawka/index.html b/1986/pawka/index.html
index cb6db1083..32cba3200 100644
--- a/1986/pawka/index.html
+++ b/1986/pawka/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../marshall/index.html">&larr; marshall</a>
+  <a class="Left" href="../marshall/index.html">&larr; 1986/marshall</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../stein/index.html">stein &rarr;</a>
+  <a class="Left" href="../stein/index.html">1986/stein &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/pawka/pawka.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/pawka/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/stein/index.html b/1986/stein/index.html
index 7b30cfcf6..f8c0fc6a0 100644
--- a/1986/stein/index.html
+++ b/1986/stein/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../pawka/index.html">&larr; pawka</a>
+  <a class="Left" href="../pawka/index.html">&larr; 1986/pawka</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left" href="../wall/index.html">wall &rarr;</a>
+  <a class="Left" href="../wall/index.html">1986/wall &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/stein/stein.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/stein/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1986/wall/index.html b/1986/wall/index.html
index 9a630dfe0..8204b2745 100644
--- a/1986/wall/index.html
+++ b/1986/wall/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../stein/index.html">&larr; stein</a>
+  <a class="Left" href="../stein/index.html">&larr; 1986/stein</a>
   <a class="Left" href="../index.html">&uarr; 1986 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1987/biggar/index.html">1987/biggar &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/wall/wall.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1986/wall/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1986%2Fwall%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1987/biggar/index.html b/1987/biggar/index.html
index 188649a0f..1839de2fe 100644
--- a/1987/biggar/index.html
+++ b/1987/biggar/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1986/wall/index.html">&larr; 1986/wall</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../heckbert/index.html">heckbert &rarr;</a>
+  <a class="Left" href="../heckbert/index.html">1987/heckbert &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/biggar/biggar.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/biggar/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1987%2Fbiggar%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1987/heckbert/index.html b/1987/heckbert/index.html
index c9fe98f5b..fc5452875 100644
--- a/1987/heckbert/index.html
+++ b/1987/heckbert/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../biggar/index.html">&larr; biggar</a>
+  <a class="Left" href="../biggar/index.html">&larr; 1987/biggar</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../hines/index.html">hines &rarr;</a>
+  <a class="Left" href="../hines/index.html">1987/hines &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/heckbert/heckbert.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/heckbert/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1987/hines/index.html b/1987/hines/index.html
index bfca4b32f..400612b2e 100644
--- a/1987/hines/index.html
+++ b/1987/hines/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../heckbert/index.html">&larr; heckbert</a>
+  <a class="Left" href="../heckbert/index.html">&larr; 1987/heckbert</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../korn/index.html">korn &rarr;</a>
+  <a class="Left" href="../korn/index.html">1987/korn &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/hines/hines.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/hines/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1987/korn/index.html b/1987/korn/index.html
index 393d91da1..e430cb16b 100644
--- a/1987/korn/index.html
+++ b/1987/korn/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hines/index.html">&larr; hines</a>
+  <a class="Left" href="../hines/index.html">&larr; 1987/hines</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../lievaart/index.html">lievaart &rarr;</a>
+  <a class="Left" href="../lievaart/index.html">1987/lievaart &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/korn/korn.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/korn/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1987/lievaart/index.html b/1987/lievaart/index.html
index 8ab6fb17e..c1090a2d1 100644
--- a/1987/lievaart/index.html
+++ b/1987/lievaart/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../korn/index.html">&larr; korn</a>
+  <a class="Left" href="../korn/index.html">&larr; 1987/korn</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../wall/index.html">wall &rarr;</a>
+  <a class="Left" href="../wall/index.html">1987/wall &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/lievaart/lievaart.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/lievaart/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1987/wall/index.html b/1987/wall/index.html
index d05a2d61a..e75553b1d 100644
--- a/1987/wall/index.html
+++ b/1987/wall/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../lievaart/index.html">&larr; lievaart</a>
+  <a class="Left" href="../lievaart/index.html">&larr; 1987/lievaart</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1987/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/wall.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/wall/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1987/westley/index.html b/1987/westley/index.html
index 919582d4f..76fd1fcc1 100644
--- a/1987/westley/index.html
+++ b/1987/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../wall/index.html">&larr; wall</a>
+  <a class="Left" href="../wall/index.html">&larr; 1987/wall</a>
   <a class="Left" href="../index.html">&uarr; 1987 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1988/applin/index.html">1988/applin &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1987%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1988/applin/index.html b/1988/applin/index.html
index b7e3e9f8c..227a4410e 100644
--- a/1988/applin/index.html
+++ b/1988/applin/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1987/westley/index.html">&larr; 1987/westley</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../dale/index.html">dale &rarr;</a>
+  <a class="Left" href="../dale/index.html">1988/dale &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/applin/applin.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/applin/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1988%2Fapplin%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1988/dale/index.html b/1988/dale/index.html
index 63c4b1bd4..3f5096b00 100644
--- a/1988/dale/index.html
+++ b/1988/dale/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../applin/index.html">&larr; applin</a>
+  <a class="Left" href="../applin/index.html">&larr; 1988/applin</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../isaak/index.html">isaak &rarr;</a>
+  <a class="Left" href="../isaak/index.html">1988/isaak &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/dale/dale.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/dale/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/isaak/index.html b/1988/isaak/index.html
index f8eeeb023..ffcf42f37 100644
--- a/1988/isaak/index.html
+++ b/1988/isaak/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dale/index.html">&larr; dale</a>
+  <a class="Left" href="../dale/index.html">&larr; 1988/dale</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../litmaath/index.html">litmaath &rarr;</a>
+  <a class="Left" href="../litmaath/index.html">1988/litmaath &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/isaak/isaak.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/isaak/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/litmaath/index.html b/1988/litmaath/index.html
index f3edcd7bb..9e108a7e9 100644
--- a/1988/litmaath/index.html
+++ b/1988/litmaath/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../isaak/index.html">&larr; isaak</a>
+  <a class="Left" href="../isaak/index.html">&larr; 1988/isaak</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../phillipps/index.html">phillipps &rarr;</a>
+  <a class="Left" href="../phillipps/index.html">1988/phillipps &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/litmaath/litmaath.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/litmaath/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/phillipps/index.html b/1988/phillipps/index.html
index 2fb64505f..cbbae5e42 100644
--- a/1988/phillipps/index.html
+++ b/1988/phillipps/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../litmaath/index.html">&larr; litmaath</a>
+  <a class="Left" href="../litmaath/index.html">&larr; 1988/litmaath</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../reddy/index.html">reddy &rarr;</a>
+  <a class="Left" href="../reddy/index.html">1988/reddy &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/phillipps/phillipps.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/phillipps/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/reddy/index.html b/1988/reddy/index.html
index 2cd636d50..3ff374a2b 100644
--- a/1988/reddy/index.html
+++ b/1988/reddy/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../phillipps/index.html">&larr; phillipps</a>
+  <a class="Left" href="../phillipps/index.html">&larr; 1988/phillipps</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../robison/index.html">robison &rarr;</a>
+  <a class="Left" href="../robison/index.html">1988/robison &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/reddy/reddy.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/reddy/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/robison/index.html b/1988/robison/index.html
index 4d97bdb72..1509a0e07 100644
--- a/1988/robison/index.html
+++ b/1988/robison/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../reddy/index.html">&larr; reddy</a>
+  <a class="Left" href="../reddy/index.html">&larr; 1988/reddy</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../spinellis/index.html">spinellis &rarr;</a>
+  <a class="Left" href="../spinellis/index.html">1988/spinellis &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/robison/robison.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/robison/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/spinellis/index.html b/1988/spinellis/index.html
index 0b2800d74..b10232b91 100644
--- a/1988/spinellis/index.html
+++ b/1988/spinellis/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../robison/index.html">&larr; robison</a>
+  <a class="Left" href="../robison/index.html">&larr; 1988/robison</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1988/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/spinellis/spinellis.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/spinellis/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1988/westley/index.html b/1988/westley/index.html
index c1e8b944a..49195fe8c 100644
--- a/1988/westley/index.html
+++ b/1988/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../spinellis/index.html">&larr; spinellis</a>
+  <a class="Left" href="../spinellis/index.html">&larr; 1988/spinellis</a>
   <a class="Left" href="../index.html">&uarr; 1988 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1989/fubar/index.html">1989/fubar &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1988/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1988%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1989/fubar/index.html b/1989/fubar/index.html
index 33c2da9b6..de960b248 100644
--- a/1989/fubar/index.html
+++ b/1989/fubar/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1988/westley/index.html">&larr; 1988/westley</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../jar.1/index.html">jar.1 &rarr;</a>
+  <a class="Left" href="../jar.1/index.html">1989/jar.1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/fubar/fubar.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/fubar/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1989%2Ffubar%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1989/jar.1/index.html b/1989/jar.1/index.html
index 34bdd36fb..3b898f647 100644
--- a/1989/jar.1/index.html
+++ b/1989/jar.1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../fubar/index.html">&larr; fubar</a>
+  <a class="Left" href="../fubar/index.html">&larr; 1989/fubar</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../jar.2/index.html">jar.2 &rarr;</a>
+  <a class="Left" href="../jar.2/index.html">1989/jar.2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/jar.1/jar.1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/jar.1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/jar.2/index.html b/1989/jar.2/index.html
index 52a6745d8..6680f2422 100644
--- a/1989/jar.2/index.html
+++ b/1989/jar.2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jar.1/index.html">&larr; jar.1</a>
+  <a class="Left" href="../jar.1/index.html">&larr; 1989/jar.1</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../ovdluhe/index.html">ovdluhe &rarr;</a>
+  <a class="Left" href="../ovdluhe/index.html">1989/ovdluhe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/jar.2/jar.2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/jar.2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/ovdluhe/index.html b/1989/ovdluhe/index.html
index 4c777d5c3..10618aa97 100644
--- a/1989/ovdluhe/index.html
+++ b/1989/ovdluhe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jar.2/index.html">&larr; jar.2</a>
+  <a class="Left" href="../jar.2/index.html">&larr; 1989/jar.2</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../paul/index.html">paul &rarr;</a>
+  <a class="Left" href="../paul/index.html">1989/paul &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/ovdluhe/ovdluhe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/ovdluhe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/paul/index.html b/1989/paul/index.html
index 9e4663707..db6e00db1 100644
--- a/1989/paul/index.html
+++ b/1989/paul/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ovdluhe/index.html">&larr; ovdluhe</a>
+  <a class="Left" href="../ovdluhe/index.html">&larr; 1989/ovdluhe</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../robison/index.html">robison &rarr;</a>
+  <a class="Left" href="../robison/index.html">1989/robison &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/paul/paul.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/paul/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/robison/index.html b/1989/robison/index.html
index c4e2b1a67..fe14d48c4 100644
--- a/1989/robison/index.html
+++ b/1989/robison/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../paul/index.html">&larr; paul</a>
+  <a class="Left" href="../paul/index.html">&larr; 1989/paul</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../roemer/index.html">roemer &rarr;</a>
+  <a class="Left" href="../roemer/index.html">1989/roemer &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/robison/robison.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/robison/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/roemer/index.html b/1989/roemer/index.html
index b1a358865..0290a171a 100644
--- a/1989/roemer/index.html
+++ b/1989/roemer/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../robison/index.html">&larr; robison</a>
+  <a class="Left" href="../robison/index.html">&larr; 1989/robison</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../tromp/index.html">tromp &rarr;</a>
+  <a class="Left" href="../tromp/index.html">1989/tromp &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/roemer/roemer.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/roemer/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/tromp/index.html b/1989/tromp/index.html
index 9009b08df..6f7676f09 100644
--- a/1989/tromp/index.html
+++ b/1989/tromp/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../roemer/index.html">&larr; roemer</a>
+  <a class="Left" href="../roemer/index.html">&larr; 1989/roemer</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../vanb/index.html">vanb &rarr;</a>
+  <a class="Left" href="../vanb/index.html">1989/vanb &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/tromp/tromp.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/tromp/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/vanb/index.html b/1989/vanb/index.html
index af3cf2dea..ed3201a37 100644
--- a/1989/vanb/index.html
+++ b/1989/vanb/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../tromp/index.html">&larr; tromp</a>
+  <a class="Left" href="../tromp/index.html">&larr; 1989/tromp</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1989/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/vanb/vanb.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/vanb/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1989/westley/index.html b/1989/westley/index.html
index 7149e2356..cd86a7752 100644
--- a/1989/westley/index.html
+++ b/1989/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vanb/index.html">&larr; vanb</a>
+  <a class="Left" href="../vanb/index.html">&larr; 1989/vanb</a>
   <a class="Left" href="../index.html">&uarr; 1989 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1990/baruch/index.html">1990/baruch &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1989/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1989%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1990/baruch/index.html b/1990/baruch/index.html
index 28eab7e52..16954bdf1 100644
--- a/1990/baruch/index.html
+++ b/1990/baruch/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1989/westley/index.html">&larr; 1989/westley</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../cmills/index.html">cmills &rarr;</a>
+  <a class="Left" href="../cmills/index.html">1990/cmills &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/baruch/baruch.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/baruch/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1990%2Fbaruch%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1990/cmills/index.html b/1990/cmills/index.html
index b6eca7c43..5ac2b85e2 100644
--- a/1990/cmills/index.html
+++ b/1990/cmills/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../baruch/index.html">&larr; baruch</a>
+  <a class="Left" href="../baruch/index.html">&larr; 1990/baruch</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../dds/index.html">dds &rarr;</a>
+  <a class="Left" href="../dds/index.html">1990/dds &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/cmills/cmills.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/cmills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/dds/index.html b/1990/dds/index.html
index 3b53c8f29..7985d0a2d 100644
--- a/1990/dds/index.html
+++ b/1990/dds/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cmills/index.html">&larr; cmills</a>
+  <a class="Left" href="../cmills/index.html">&larr; 1990/cmills</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../dg/index.html">dg &rarr;</a>
+  <a class="Left" href="../dg/index.html">1990/dg &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/dds/dds.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/dds/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/dg/index.html b/1990/dg/index.html
index b4d3cd321..e2d5cda8a 100644
--- a/1990/dg/index.html
+++ b/1990/dg/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dds/index.html">&larr; dds</a>
+  <a class="Left" href="../dds/index.html">&larr; 1990/dds</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../jaw/index.html">jaw &rarr;</a>
+  <a class="Left" href="../jaw/index.html">1990/jaw &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/dg/dg.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/dg/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/jaw/index.html b/1990/jaw/index.html
index d2fc97130..b8e5882f1 100644
--- a/1990/jaw/index.html
+++ b/1990/jaw/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dg/index.html">&larr; dg</a>
+  <a class="Left" href="../dg/index.html">&larr; 1990/dg</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../pjr/index.html">pjr &rarr;</a>
+  <a class="Left" href="../pjr/index.html">1990/pjr &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/jaw/jaw.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/jaw/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/pjr/index.html b/1990/pjr/index.html
index 964216a46..22a1a23a9 100644
--- a/1990/pjr/index.html
+++ b/1990/pjr/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jaw/index.html">&larr; jaw</a>
+  <a class="Left" href="../jaw/index.html">&larr; 1990/jaw</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../scjones/index.html">scjones &rarr;</a>
+  <a class="Left" href="../scjones/index.html">1990/scjones &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/pjr/pjr.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/pjr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/scjones/index.html b/1990/scjones/index.html
index 576e4fa32..55153fdfd 100644
--- a/1990/scjones/index.html
+++ b/1990/scjones/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../pjr/index.html">&larr; pjr</a>
+  <a class="Left" href="../pjr/index.html">&larr; 1990/pjr</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../stig/index.html">stig &rarr;</a>
+  <a class="Left" href="../stig/index.html">1990/stig &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/scjones/scjones.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/scjones/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/stig/index.html b/1990/stig/index.html
index b38bb6c97..979bf6a1d 100644
--- a/1990/stig/index.html
+++ b/1990/stig/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../scjones/index.html">&larr; scjones</a>
+  <a class="Left" href="../scjones/index.html">&larr; 1990/scjones</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../tbr/index.html">tbr &rarr;</a>
+  <a class="Left" href="../tbr/index.html">1990/tbr &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/stig/stig.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/stig/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/tbr/index.html b/1990/tbr/index.html
index 6e7b9a2e6..5b0000219 100644
--- a/1990/tbr/index.html
+++ b/1990/tbr/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../stig/index.html">&larr; stig</a>
+  <a class="Left" href="../stig/index.html">&larr; 1990/stig</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../theorem/index.html">theorem &rarr;</a>
+  <a class="Left" href="../theorem/index.html">1990/theorem &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/tbr/tbr.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/tbr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/theorem/index.html b/1990/theorem/index.html
index e07efd1a8..94a2e15ff 100644
--- a/1990/theorem/index.html
+++ b/1990/theorem/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../tbr/index.html">&larr; tbr</a>
+  <a class="Left" href="../tbr/index.html">&larr; 1990/tbr</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1990/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/theorem/theorem.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/theorem/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1990/westley/index.html b/1990/westley/index.html
index be5a9c28b..92670170a 100644
--- a/1990/westley/index.html
+++ b/1990/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../theorem/index.html">&larr; theorem</a>
+  <a class="Left" href="../theorem/index.html">&larr; 1990/theorem</a>
   <a class="Left" href="../index.html">&uarr; 1990 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1991/ant/index.html">1991/ant &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1990/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1990%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1991/ant/index.html b/1991/ant/index.html
index b1bda7164..ee11c594f 100644
--- a/1991/ant/index.html
+++ b/1991/ant/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1990/westley/index.html">&larr; 1990/westley</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../brnstnd/index.html">brnstnd &rarr;</a>
+  <a class="Left" href="../brnstnd/index.html">1991/brnstnd &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/ant/ant.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/ant/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1991%2Fant%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1991/brnstnd/index.html b/1991/brnstnd/index.html
index baff261c1..dc0dc03f7 100644
--- a/1991/brnstnd/index.html
+++ b/1991/brnstnd/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ant/index.html">&larr; ant</a>
+  <a class="Left" href="../ant/index.html">&larr; 1991/ant</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../buzzard/index.html">buzzard &rarr;</a>
+  <a class="Left" href="../buzzard/index.html">1991/buzzard &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/brnstnd/brnstnd.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/brnstnd/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/buzzard/index.html b/1991/buzzard/index.html
index 509f9dbdc..98aca4199 100644
--- a/1991/buzzard/index.html
+++ b/1991/buzzard/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../brnstnd/index.html">&larr; brnstnd</a>
+  <a class="Left" href="../brnstnd/index.html">&larr; 1991/brnstnd</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../cdupont/index.html">cdupont &rarr;</a>
+  <a class="Left" href="../cdupont/index.html">1991/cdupont &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/buzzard/buzzard.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/buzzard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/cdupont/index.html b/1991/cdupont/index.html
index 17089755d..9a76cf16d 100644
--- a/1991/cdupont/index.html
+++ b/1991/cdupont/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../buzzard/index.html">&larr; buzzard</a>
+  <a class="Left" href="../buzzard/index.html">&larr; 1991/buzzard</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../davidguy/index.html">davidguy &rarr;</a>
+  <a class="Left" href="../davidguy/index.html">1991/davidguy &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/cdupont/cdupont.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/cdupont/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/davidguy/index.html b/1991/davidguy/index.html
index c8ae0b22d..b08cc9f5a 100644
--- a/1991/davidguy/index.html
+++ b/1991/davidguy/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cdupont/index.html">&larr; cdupont</a>
+  <a class="Left" href="../cdupont/index.html">&larr; 1991/cdupont</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../dds/index.html">dds &rarr;</a>
+  <a class="Left" href="../dds/index.html">1991/dds &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/davidguy/davidguy.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/davidguy/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/dds/index.html b/1991/dds/index.html
index 1acf0657f..13a3838f3 100644
--- a/1991/dds/index.html
+++ b/1991/dds/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../davidguy/index.html">&larr; davidguy</a>
+  <a class="Left" href="../davidguy/index.html">&larr; 1991/davidguy</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../fine/index.html">fine &rarr;</a>
+  <a class="Left" href="../fine/index.html">1991/fine &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/dds/dds.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/dds/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/fine/index.html b/1991/fine/index.html
index 2e9b3987a..29582d4bf 100644
--- a/1991/fine/index.html
+++ b/1991/fine/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dds/index.html">&larr; dds</a>
+  <a class="Left" href="../dds/index.html">&larr; 1991/dds</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../rince/index.html">rince &rarr;</a>
+  <a class="Left" href="../rince/index.html">1991/rince &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/fine/fine.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/fine/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/rince/index.html b/1991/rince/index.html
index 878db105b..8859b8b06 100644
--- a/1991/rince/index.html
+++ b/1991/rince/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../fine/index.html">&larr; fine</a>
+  <a class="Left" href="../fine/index.html">&larr; 1991/fine</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1991/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/rince/rince.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/rince/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1991/westley/index.html b/1991/westley/index.html
index 808056ae2..3ff0dffea 100644
--- a/1991/westley/index.html
+++ b/1991/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../rince/index.html">&larr; rince</a>
+  <a class="Left" href="../rince/index.html">&larr; 1991/rince</a>
   <a class="Left" href="../index.html">&uarr; 1991 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1992/adrian/index.html">1992/adrian &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1991%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1992/adrian/index.html b/1992/adrian/index.html
index bd1742b17..76064758e 100644
--- a/1992/adrian/index.html
+++ b/1992/adrian/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1991/westley/index.html">&larr; 1991/westley</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../albert/index.html">albert &rarr;</a>
+  <a class="Left" href="../albert/index.html">1992/albert &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/adrian/adrian.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/adrian/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1992%2Fadrian%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1992/albert/index.html b/1992/albert/index.html
index f33ae9877..4c3eaaf61 100644
--- a/1992/albert/index.html
+++ b/1992/albert/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../adrian/index.html">&larr; adrian</a>
+  <a class="Left" href="../adrian/index.html">&larr; 1992/adrian</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../ant/index.html">ant &rarr;</a>
+  <a class="Left" href="../ant/index.html">1992/ant &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/albert/albert.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/albert/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/ant/index.html b/1992/ant/index.html
index b8e1880c9..b977d8d54 100644
--- a/1992/ant/index.html
+++ b/1992/ant/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../albert/index.html">&larr; albert</a>
+  <a class="Left" href="../albert/index.html">&larr; 1992/albert</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../buzzard.1/index.html">buzzard.1 &rarr;</a>
+  <a class="Left" href="../buzzard.1/index.html">1992/buzzard.1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/ant.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/buzzard.1/index.html b/1992/buzzard.1/index.html
index 579122320..e2c07c105 100644
--- a/1992/buzzard.1/index.html
+++ b/1992/buzzard.1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ant/index.html">&larr; ant</a>
+  <a class="Left" href="../ant/index.html">&larr; 1992/ant</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../buzzard.2/index.html">buzzard.2 &rarr;</a>
+  <a class="Left" href="../buzzard.2/index.html">1992/buzzard.2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/buzzard.1/buzzard.1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/buzzard.1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/buzzard.2/index.html b/1992/buzzard.2/index.html
index e3b5009f1..e856045b6 100644
--- a/1992/buzzard.2/index.html
+++ b/1992/buzzard.2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../buzzard.1/index.html">&larr; buzzard.1</a>
+  <a class="Left" href="../buzzard.1/index.html">&larr; 1992/buzzard.1</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../gson/index.html">gson &rarr;</a>
+  <a class="Left" href="../gson/index.html">1992/gson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/buzzard.2/buzzard.2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/buzzard.2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/gson/index.html b/1992/gson/index.html
index b1baa36b9..53579905b 100644
--- a/1992/gson/index.html
+++ b/1992/gson/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../buzzard.2/index.html">&larr; buzzard.2</a>
+  <a class="Left" href="../buzzard.2/index.html">&larr; 1992/buzzard.2</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../imc/index.html">imc &rarr;</a>
+  <a class="Left" href="../imc/index.html">1992/imc &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/gson/gson.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/gson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/imc/index.html b/1992/imc/index.html
index 4916bc811..9cfce3a09 100644
--- a/1992/imc/index.html
+++ b/1992/imc/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../gson/index.html">&larr; gson</a>
+  <a class="Left" href="../gson/index.html">&larr; 1992/gson</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../kivinen/index.html">kivinen &rarr;</a>
+  <a class="Left" href="../kivinen/index.html">1992/kivinen &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/imc/imc.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/imc/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/kivinen/index.html b/1992/kivinen/index.html
index 5d3b6e642..d44905ee4 100644
--- a/1992/kivinen/index.html
+++ b/1992/kivinen/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../imc/index.html">&larr; imc</a>
+  <a class="Left" href="../imc/index.html">&larr; 1992/imc</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../lush/index.html">lush &rarr;</a>
+  <a class="Left" href="../lush/index.html">1992/lush &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/kivinen/kivinen.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/kivinen/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/lush/index.html b/1992/lush/index.html
index 214c32159..1e5a85227 100644
--- a/1992/lush/index.html
+++ b/1992/lush/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kivinen/index.html">&larr; kivinen</a>
+  <a class="Left" href="../kivinen/index.html">&larr; 1992/kivinen</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../marangon/index.html">marangon &rarr;</a>
+  <a class="Left" href="../marangon/index.html">1992/marangon &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/lush/lush.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/lush/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/marangon/index.html b/1992/marangon/index.html
index a21062e3d..dcbd37861 100644
--- a/1992/marangon/index.html
+++ b/1992/marangon/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../lush/index.html">&larr; lush</a>
+  <a class="Left" href="../lush/index.html">&larr; 1992/lush</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../nathan/index.html">nathan &rarr;</a>
+  <a class="Left" href="../nathan/index.html">1992/nathan &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/marangon/marangon.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/marangon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/nathan/index.html b/1992/nathan/index.html
index 43266bf87..04bbc9e7c 100644
--- a/1992/nathan/index.html
+++ b/1992/nathan/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../marangon/index.html">&larr; marangon</a>
+  <a class="Left" href="../marangon/index.html">&larr; 1992/marangon</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../vern/index.html">vern &rarr;</a>
+  <a class="Left" href="../vern/index.html">1992/vern &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/nathan/nathan.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/nathan/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/vern/index.html b/1992/vern/index.html
index 188a99159..5ee345b11 100644
--- a/1992/vern/index.html
+++ b/1992/vern/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../nathan/index.html">&larr; nathan</a>
+  <a class="Left" href="../nathan/index.html">&larr; 1992/nathan</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1992/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/vern/vern.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/vern/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1992/westley/index.html b/1992/westley/index.html
index 6ba31d82c..b352f3f0b 100644
--- a/1992/westley/index.html
+++ b/1992/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vern/index.html">&larr; vern</a>
+  <a class="Left" href="../vern/index.html">&larr; 1992/vern</a>
   <a class="Left" href="../index.html">&uarr; 1992 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1993/ant/index.html">1993/ant &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1992%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1993/ant/index.html b/1993/ant/index.html
index 68e20ff21..cc74db361 100644
--- a/1993/ant/index.html
+++ b/1993/ant/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1992/westley/index.html">&larr; 1992/westley</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../cmills/index.html">cmills &rarr;</a>
+  <a class="Left" href="../cmills/index.html">1993/cmills &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/ant/ant.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/ant/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1993%2Fant%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1993/cmills/index.html b/1993/cmills/index.html
index 3bb714c3e..67457043d 100644
--- a/1993/cmills/index.html
+++ b/1993/cmills/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ant/index.html">&larr; ant</a>
+  <a class="Left" href="../ant/index.html">&larr; 1993/ant</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../dgibson/index.html">dgibson &rarr;</a>
+  <a class="Left" href="../dgibson/index.html">1993/dgibson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/cmills/cmills.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/cmills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/dgibson/index.html b/1993/dgibson/index.html
index 1be0d0099..00bb673af 100644
--- a/1993/dgibson/index.html
+++ b/1993/dgibson/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cmills/index.html">&larr; cmills</a>
+  <a class="Left" href="../cmills/index.html">&larr; 1993/cmills</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../ejb/index.html">ejb &rarr;</a>
+  <a class="Left" href="../ejb/index.html">1993/ejb &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/dgibson/dgibson.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/dgibson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/ejb/index.html b/1993/ejb/index.html
index ffa549a31..3a44d46ca 100644
--- a/1993/ejb/index.html
+++ b/1993/ejb/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dgibson/index.html">&larr; dgibson</a>
+  <a class="Left" href="../dgibson/index.html">&larr; 1993/dgibson</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../jonth/index.html">jonth &rarr;</a>
+  <a class="Left" href="../jonth/index.html">1993/jonth &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/ejb/ejb.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/ejb/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/jonth/index.html b/1993/jonth/index.html
index dc95c0a9b..03484cd1e 100644
--- a/1993/jonth/index.html
+++ b/1993/jonth/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ejb/index.html">&larr; ejb</a>
+  <a class="Left" href="../ejb/index.html">&larr; 1993/ejb</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../leo/index.html">leo &rarr;</a>
+  <a class="Left" href="../leo/index.html">1993/leo &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/jonth/jonth.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/jonth/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/leo/index.html b/1993/leo/index.html
index c48e513ea..8bcbc574e 100644
--- a/1993/leo/index.html
+++ b/1993/leo/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jonth/index.html">&larr; jonth</a>
+  <a class="Left" href="../jonth/index.html">&larr; 1993/jonth</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../lmfjyh/index.html">lmfjyh &rarr;</a>
+  <a class="Left" href="../lmfjyh/index.html">1993/lmfjyh &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/leo/leo.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/leo/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/lmfjyh/index.html b/1993/lmfjyh/index.html
index ef146e571..f03d5ed91 100644
--- a/1993/lmfjyh/index.html
+++ b/1993/lmfjyh/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../leo/index.html">&larr; leo</a>
+  <a class="Left" href="../leo/index.html">&larr; 1993/leo</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../plummer/index.html">plummer &rarr;</a>
+  <a class="Left" href="../plummer/index.html">1993/plummer &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/lmfjyh/lmfjyh.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/lmfjyh/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/plummer/index.html b/1993/plummer/index.html
index 4ebedf098..d99aebe65 100644
--- a/1993/plummer/index.html
+++ b/1993/plummer/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../lmfjyh/index.html">&larr; lmfjyh</a>
+  <a class="Left" href="../lmfjyh/index.html">&larr; 1993/lmfjyh</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../rince/index.html">rince &rarr;</a>
+  <a class="Left" href="../rince/index.html">1993/rince &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/plummer/plummer.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/plummer/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/rince/index.html b/1993/rince/index.html
index 23ca647bb..46838ccaa 100644
--- a/1993/rince/index.html
+++ b/1993/rince/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../plummer/index.html">&larr; plummer</a>
+  <a class="Left" href="../plummer/index.html">&larr; 1993/plummer</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../schnitzi/index.html">schnitzi &rarr;</a>
+  <a class="Left" href="../schnitzi/index.html">1993/schnitzi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/rince/rince.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/rince/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/schnitzi/index.html b/1993/schnitzi/index.html
index edf599182..f5cd3ea2b 100644
--- a/1993/schnitzi/index.html
+++ b/1993/schnitzi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../rince/index.html">&larr; rince</a>
+  <a class="Left" href="../rince/index.html">&larr; 1993/rince</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left" href="../vanb/index.html">vanb &rarr;</a>
+  <a class="Left" href="../vanb/index.html">1993/vanb &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/schnitzi/schnitzi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/schnitzi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1993/vanb/index.html b/1993/vanb/index.html
index 8b511a2da..3e5c2df3c 100644
--- a/1993/vanb/index.html
+++ b/1993/vanb/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schnitzi/index.html">&larr; schnitzi</a>
+  <a class="Left" href="../schnitzi/index.html">&larr; 1993/schnitzi</a>
   <a class="Left" href="../index.html">&uarr; 1993 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1994/dodsond1/index.html">1994/dodsond1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/vanb/vanb.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/vanb/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1993%2Fvanb%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1994/dodsond1/index.html b/1994/dodsond1/index.html
index 4cb74f0d2..b71caf219 100644
--- a/1994/dodsond1/index.html
+++ b/1994/dodsond1/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1993/vanb/index.html">&larr; 1993/vanb</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../dodsond2/index.html">dodsond2 &rarr;</a>
+  <a class="Left" href="../dodsond2/index.html">1994/dodsond2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/dodsond1/dodsond1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/dodsond1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1994%2Fdodsond1%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1994/dodsond2/index.html b/1994/dodsond2/index.html
index 2670c2c66..f5c9d7f41 100644
--- a/1994/dodsond2/index.html
+++ b/1994/dodsond2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dodsond1/index.html">&larr; dodsond1</a>
+  <a class="Left" href="../dodsond1/index.html">&larr; 1994/dodsond1</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../horton/index.html">horton &rarr;</a>
+  <a class="Left" href="../horton/index.html">1994/horton &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/dodsond2/dodsond2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/dodsond2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/horton/index.html b/1994/horton/index.html
index 92621940d..85862a12f 100644
--- a/1994/horton/index.html
+++ b/1994/horton/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dodsond2/index.html">&larr; dodsond2</a>
+  <a class="Left" href="../dodsond2/index.html">&larr; 1994/dodsond2</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../imc/index.html">imc &rarr;</a>
+  <a class="Left" href="../imc/index.html">1994/imc &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/horton/horton.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/horton/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/imc/index.html b/1994/imc/index.html
index f7230a372..0a36c0aca 100644
--- a/1994/imc/index.html
+++ b/1994/imc/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../horton/index.html">&larr; horton</a>
+  <a class="Left" href="../horton/index.html">&larr; 1994/horton</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../ldb/index.html">ldb &rarr;</a>
+  <a class="Left" href="../ldb/index.html">1994/ldb &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/imc/imc.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/imc/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/ldb/index.html b/1994/ldb/index.html
index 868b9a497..c1274f1b9 100644
--- a/1994/ldb/index.html
+++ b/1994/ldb/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../imc/index.html">&larr; imc</a>
+  <a class="Left" href="../imc/index.html">&larr; 1994/imc</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../schnitzi/index.html">schnitzi &rarr;</a>
+  <a class="Left" href="../schnitzi/index.html">1994/schnitzi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/ldb/ldb.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/ldb/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/schnitzi/index.html b/1994/schnitzi/index.html
index 62cfba799..c7c0cc203 100644
--- a/1994/schnitzi/index.html
+++ b/1994/schnitzi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ldb/index.html">&larr; ldb</a>
+  <a class="Left" href="../ldb/index.html">&larr; 1994/ldb</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../shapiro/index.html">shapiro &rarr;</a>
+  <a class="Left" href="../shapiro/index.html">1994/shapiro &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/schnitzi/schnitzi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/schnitzi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/shapiro/index.html b/1994/shapiro/index.html
index 3919b384c..9adfe1886 100644
--- a/1994/shapiro/index.html
+++ b/1994/shapiro/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schnitzi/index.html">&larr; schnitzi</a>
+  <a class="Left" href="../schnitzi/index.html">&larr; 1994/schnitzi</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../smr/index.html">smr &rarr;</a>
+  <a class="Left" href="../smr/index.html">1994/smr &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/smr/index.html b/1994/smr/index.html
index e07fcf88b..bca716460 100644
--- a/1994/smr/index.html
+++ b/1994/smr/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../shapiro/index.html">&larr; shapiro</a>
+  <a class="Left" href="../shapiro/index.html">&larr; 1994/shapiro</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../tvr/index.html">tvr &rarr;</a>
+  <a class="Left" href="../tvr/index.html">1994/tvr &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/smr/smr.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/smr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/tvr/index.html b/1994/tvr/index.html
index 92e8bf649..c1ff4d84a 100644
--- a/1994/tvr/index.html
+++ b/1994/tvr/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../smr/index.html">&larr; smr</a>
+  <a class="Left" href="../smr/index.html">&larr; 1994/smr</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../weisberg/index.html">weisberg &rarr;</a>
+  <a class="Left" href="../weisberg/index.html">1994/weisberg &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/tvr.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/tvr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/weisberg/index.html b/1994/weisberg/index.html
index c61baaed4..4f31d1f0d 100644
--- a/1994/weisberg/index.html
+++ b/1994/weisberg/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../tvr/index.html">&larr; tvr</a>
+  <a class="Left" href="../tvr/index.html">&larr; 1994/tvr</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1994/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/weisberg.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1994/westley/index.html b/1994/westley/index.html
index 13dff38f0..d7034b95b 100644
--- a/1994/westley/index.html
+++ b/1994/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../weisberg/index.html">&larr; weisberg</a>
+  <a class="Left" href="../weisberg/index.html">&larr; 1994/weisberg</a>
   <a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1995/cdua/index.html">1995/cdua &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1994%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1995/cdua/index.html b/1995/cdua/index.html
index 35e41cf90..83cd927d0 100644
--- a/1995/cdua/index.html
+++ b/1995/cdua/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1994/westley/index.html">&larr; 1994/westley</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../dodsond1/index.html">dodsond1 &rarr;</a>
+  <a class="Left" href="../dodsond1/index.html">1995/dodsond1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/cdua/cdua.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/cdua/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1995%2Fcdua%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1995/dodsond1/index.html b/1995/dodsond1/index.html
index 352c31775..5d0db7fa4 100644
--- a/1995/dodsond1/index.html
+++ b/1995/dodsond1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cdua/index.html">&larr; cdua</a>
+  <a class="Left" href="../cdua/index.html">&larr; 1995/cdua</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../dodsond2/index.html">dodsond2 &rarr;</a>
+  <a class="Left" href="../dodsond2/index.html">1995/dodsond2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/dodsond1/dodsond1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/dodsond1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/dodsond2/index.html b/1995/dodsond2/index.html
index 12ad6391d..7a2623075 100644
--- a/1995/dodsond2/index.html
+++ b/1995/dodsond2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dodsond1/index.html">&larr; dodsond1</a>
+  <a class="Left" href="../dodsond1/index.html">&larr; 1995/dodsond1</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../esde/index.html">esde &rarr;</a>
+  <a class="Left" href="../esde/index.html">1995/esde &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/dodsond2/dodsond2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/dodsond2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/esde/index.html b/1995/esde/index.html
index 3d85d9959..06e1da22c 100644
--- a/1995/esde/index.html
+++ b/1995/esde/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dodsond2/index.html">&larr; dodsond2</a>
+  <a class="Left" href="../dodsond2/index.html">&larr; 1995/dodsond2</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../garry/index.html">garry &rarr;</a>
+  <a class="Left" href="../garry/index.html">1995/garry &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/esde/esde.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/esde/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/garry/index.html b/1995/garry/index.html
index 5093fe213..caec38e67 100644
--- a/1995/garry/index.html
+++ b/1995/garry/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../esde/index.html">&larr; esde</a>
+  <a class="Left" href="../esde/index.html">&larr; 1995/esde</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../heathbar/index.html">heathbar &rarr;</a>
+  <a class="Left" href="../heathbar/index.html">1995/heathbar &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/garry/garry.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/garry/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/heathbar/index.html b/1995/heathbar/index.html
index f73c83a41..b7737df32 100644
--- a/1995/heathbar/index.html
+++ b/1995/heathbar/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../garry/index.html">&larr; garry</a>
+  <a class="Left" href="../garry/index.html">&larr; 1995/garry</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../leo/index.html">leo &rarr;</a>
+  <a class="Left" href="../leo/index.html">1995/leo &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/heathbar/heathbar.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/heathbar/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/leo/index.html b/1995/leo/index.html
index 3aba6832c..cf8fe39ea 100644
--- a/1995/leo/index.html
+++ b/1995/leo/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../heathbar/index.html">&larr; heathbar</a>
+  <a class="Left" href="../heathbar/index.html">&larr; 1995/heathbar</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../makarios/index.html">makarios &rarr;</a>
+  <a class="Left" href="../makarios/index.html">1995/makarios &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/leo/leo.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/leo/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/makarios/index.html b/1995/makarios/index.html
index 3b2ee0940..b34a8d6ba 100644
--- a/1995/makarios/index.html
+++ b/1995/makarios/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../leo/index.html">&larr; leo</a>
+  <a class="Left" href="../leo/index.html">&larr; 1995/leo</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../savastio/index.html">savastio &rarr;</a>
+  <a class="Left" href="../savastio/index.html">1995/savastio &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/makarios/makarios.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/makarios/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/savastio/index.html b/1995/savastio/index.html
index 0f0f4eca4..0946396c9 100644
--- a/1995/savastio/index.html
+++ b/1995/savastio/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../makarios/index.html">&larr; makarios</a>
+  <a class="Left" href="../makarios/index.html">&larr; 1995/makarios</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../schnitzi/index.html">schnitzi &rarr;</a>
+  <a class="Left" href="../schnitzi/index.html">1995/schnitzi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/savastio/savastio.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/savastio/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/schnitzi/index.html b/1995/schnitzi/index.html
index 6f916d429..e73ba8daf 100644
--- a/1995/schnitzi/index.html
+++ b/1995/schnitzi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../savastio/index.html">&larr; savastio</a>
+  <a class="Left" href="../savastio/index.html">&larr; 1995/savastio</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../spinellis/index.html">spinellis &rarr;</a>
+  <a class="Left" href="../spinellis/index.html">1995/spinellis &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/schnitzi/schnitzi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/schnitzi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/spinellis/index.html b/1995/spinellis/index.html
index e36018452..6748703bc 100644
--- a/1995/spinellis/index.html
+++ b/1995/spinellis/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schnitzi/index.html">&larr; schnitzi</a>
+  <a class="Left" href="../schnitzi/index.html">&larr; 1995/schnitzi</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left" href="../vanschnitz/index.html">vanschnitz &rarr;</a>
+  <a class="Left" href="../vanschnitz/index.html">1995/vanschnitz &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/spinellis/spinellis.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/spinellis/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1995/vanschnitz/index.html b/1995/vanschnitz/index.html
index 5002b9c3f..af1703adc 100644
--- a/1995/vanschnitz/index.html
+++ b/1995/vanschnitz/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../spinellis/index.html">&larr; spinellis</a>
+  <a class="Left" href="../spinellis/index.html">&larr; 1995/spinellis</a>
   <a class="Left" href="../index.html">&uarr; 1995 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1996/august/index.html">1996/august &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/vanschnitz/vanschnitz.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/vanschnitz/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1995%2Fvanschnitz%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1996/august/index.html b/1996/august/index.html
index f536f9171..df79ff633 100644
--- a/1996/august/index.html
+++ b/1996/august/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1995/vanschnitz/index.html">&larr; 1995/vanschnitz</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../dalbec/index.html">dalbec &rarr;</a>
+  <a class="Left" href="../dalbec/index.html">1996/dalbec &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/august/august.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/august/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1996%2Faugust%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1996/dalbec/index.html b/1996/dalbec/index.html
index d4be2770a..8c137beb2 100644
--- a/1996/dalbec/index.html
+++ b/1996/dalbec/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../august/index.html">&larr; august</a>
+  <a class="Left" href="../august/index.html">&larr; 1996/august</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../eldby/index.html">eldby &rarr;</a>
+  <a class="Left" href="../eldby/index.html">1996/eldby &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/dalbec/dalbec.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/dalbec/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/eldby/index.html b/1996/eldby/index.html
index 0f8d1da18..c36fa9a31 100644
--- a/1996/eldby/index.html
+++ b/1996/eldby/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dalbec/index.html">&larr; dalbec</a>
+  <a class="Left" href="../dalbec/index.html">&larr; 1996/dalbec</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../gandalf/index.html">gandalf &rarr;</a>
+  <a class="Left" href="../gandalf/index.html">1996/gandalf &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/eldby/eldby.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/eldby/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/gandalf/index.html b/1996/gandalf/index.html
index 048601f7c..d16607094 100644
--- a/1996/gandalf/index.html
+++ b/1996/gandalf/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../eldby/index.html">&larr; eldby</a>
+  <a class="Left" href="../eldby/index.html">&larr; 1996/eldby</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../huffman/index.html">huffman &rarr;</a>
+  <a class="Left" href="../huffman/index.html">1996/huffman &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/gandalf/gandalf.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/gandalf/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/huffman/index.html b/1996/huffman/index.html
index 55d52d665..ea0506b17 100644
--- a/1996/huffman/index.html
+++ b/1996/huffman/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../gandalf/index.html">&larr; gandalf</a>
+  <a class="Left" href="../gandalf/index.html">&larr; 1996/gandalf</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../jonth/index.html">jonth &rarr;</a>
+  <a class="Left" href="../jonth/index.html">1996/jonth &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/huffman/huffman.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/huffman/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/jonth/index.html b/1996/jonth/index.html
index c8eed042d..c2adcca1b 100644
--- a/1996/jonth/index.html
+++ b/1996/jonth/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../huffman/index.html">&larr; huffman</a>
+  <a class="Left" href="../huffman/index.html">&larr; 1996/huffman</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../rcm/index.html">rcm &rarr;</a>
+  <a class="Left" href="../rcm/index.html">1996/rcm &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/jonth/jonth.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/jonth/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/rcm/index.html b/1996/rcm/index.html
index 11c388ad5..899db6994 100644
--- a/1996/rcm/index.html
+++ b/1996/rcm/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jonth/index.html">&larr; jonth</a>
+  <a class="Left" href="../jonth/index.html">&larr; 1996/jonth</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../schweikh1/index.html">schweikh1 &rarr;</a>
+  <a class="Left" href="../schweikh1/index.html">1996/schweikh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/rcm/rcm.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/rcm/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/schweikh1/index.html b/1996/schweikh1/index.html
index 04d0adc48..d280ef708 100644
--- a/1996/schweikh1/index.html
+++ b/1996/schweikh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../rcm/index.html">&larr; rcm</a>
+  <a class="Left" href="../rcm/index.html">&larr; 1996/rcm</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../schweikh2/index.html">schweikh2 &rarr;</a>
+  <a class="Left" href="../schweikh2/index.html">1996/schweikh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh1/schweikh1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/schweikh2/index.html b/1996/schweikh2/index.html
index cac98f5f7..6e0c52db8 100644
--- a/1996/schweikh2/index.html
+++ b/1996/schweikh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh1/index.html">&larr; schweikh1</a>
+  <a class="Left" href="../schweikh1/index.html">&larr; 1996/schweikh1</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../schweikh3/index.html">schweikh3 &rarr;</a>
+  <a class="Left" href="../schweikh3/index.html">1996/schweikh3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh2/schweikh2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/schweikh3/index.html b/1996/schweikh3/index.html
index f92be6175..3e6a9f9b6 100644
--- a/1996/schweikh3/index.html
+++ b/1996/schweikh3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh2/index.html">&larr; schweikh2</a>
+  <a class="Left" href="../schweikh2/index.html">&larr; 1996/schweikh2</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">1996/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh3/schweikh3.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1996/westley/index.html b/1996/westley/index.html
index b92d82c31..6321dfed0 100644
--- a/1996/westley/index.html
+++ b/1996/westley/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh3/index.html">&larr; schweikh3</a>
+  <a class="Left" href="../schweikh3/index.html">&larr; 1996/schweikh3</a>
   <a class="Left" href="../index.html">&uarr; 1996 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../1998/banks/index.html">1998/banks &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1996%2Fwestley%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1998/banks/index.html b/1998/banks/index.html
index c3ed02a8f..944e04cc0 100644
--- a/1998/banks/index.html
+++ b/1998/banks/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1996/westley/index.html">&larr; 1996/westley</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../bas1/index.html">bas1 &rarr;</a>
+  <a class="Left" href="../bas1/index.html">1998/bas1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/banks/banks.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/banks/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1998%2Fbanks%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/1998/bas1/index.html b/1998/bas1/index.html
index 583e5f3b3..47474edf8 100644
--- a/1998/bas1/index.html
+++ b/1998/bas1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../banks/index.html">&larr; banks</a>
+  <a class="Left" href="../banks/index.html">&larr; 1998/banks</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../bas2/index.html">bas2 &rarr;</a>
+  <a class="Left" href="../bas2/index.html">1998/bas2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/bas1/bas1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/bas1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/bas2/index.html b/1998/bas2/index.html
index becdb505f..0e0f1e490 100644
--- a/1998/bas2/index.html
+++ b/1998/bas2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bas1/index.html">&larr; bas1</a>
+  <a class="Left" href="../bas1/index.html">&larr; 1998/bas1</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../chaos/index.html">chaos &rarr;</a>
+  <a class="Left" href="../chaos/index.html">1998/chaos &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/bas2/bas2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/bas2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/chaos/index.html b/1998/chaos/index.html
index 6c4ebc8f0..53f6e52c4 100644
--- a/1998/chaos/index.html
+++ b/1998/chaos/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bas2/index.html">&larr; bas2</a>
+  <a class="Left" href="../bas2/index.html">&larr; 1998/bas2</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../df/index.html">df &rarr;</a>
+  <a class="Left" href="../df/index.html">1998/df &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/chaos/chaos.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/chaos/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/df/index.html b/1998/df/index.html
index d41a05800..a50c39906 100644
--- a/1998/df/index.html
+++ b/1998/df/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../chaos/index.html">&larr; chaos</a>
+  <a class="Left" href="../chaos/index.html">&larr; 1998/chaos</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../dlowe/index.html">dlowe &rarr;</a>
+  <a class="Left" href="../dlowe/index.html">1998/dlowe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/df/df.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/df/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/dlowe/index.html b/1998/dlowe/index.html
index 8577ca788..ab361164b 100644
--- a/1998/dlowe/index.html
+++ b/1998/dlowe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../df/index.html">&larr; df</a>
+  <a class="Left" href="../df/index.html">&larr; 1998/df</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../dloweneil/index.html">dloweneil &rarr;</a>
+  <a class="Left" href="../dloweneil/index.html">1998/dloweneil &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dlowe/dlowe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dlowe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/dloweneil/index.html b/1998/dloweneil/index.html
index 05c3c38a5..ef164be74 100644
--- a/1998/dloweneil/index.html
+++ b/1998/dloweneil/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dlowe/index.html">&larr; dlowe</a>
+  <a class="Left" href="../dlowe/index.html">&larr; 1998/dlowe</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../dorssel/index.html">dorssel &rarr;</a>
+  <a class="Left" href="../dorssel/index.html">1998/dorssel &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dloweneil/dloweneil.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dloweneil/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/dorssel/index.html b/1998/dorssel/index.html
index daf509f68..9f4c4ae4d 100644
--- a/1998/dorssel/index.html
+++ b/1998/dorssel/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dloweneil/index.html">&larr; dloweneil</a>
+  <a class="Left" href="../dloweneil/index.html">&larr; 1998/dloweneil</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../fanf/index.html">fanf &rarr;</a>
+  <a class="Left" href="../fanf/index.html">1998/fanf &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dorssel/dorssel.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/dorssel/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/fanf/index.html b/1998/fanf/index.html
index 06619d961..f150b1090 100644
--- a/1998/fanf/index.html
+++ b/1998/fanf/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dorssel/index.html">&larr; dorssel</a>
+  <a class="Left" href="../dorssel/index.html">&larr; 1998/dorssel</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../schnitzi/index.html">schnitzi &rarr;</a>
+  <a class="Left" href="../schnitzi/index.html">1998/schnitzi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/fanf/fanf.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/fanf/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/schnitzi/index.html b/1998/schnitzi/index.html
index 2bbf27dfe..6e32a4411 100644
--- a/1998/schnitzi/index.html
+++ b/1998/schnitzi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../fanf/index.html">&larr; fanf</a>
+  <a class="Left" href="../fanf/index.html">&larr; 1998/fanf</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../schweikh1/index.html">schweikh1 &rarr;</a>
+  <a class="Left" href="../schweikh1/index.html">1998/schweikh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schnitzi/schnitzi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schnitzi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/schweikh1/index.html b/1998/schweikh1/index.html
index a102af733..166ae3076 100644
--- a/1998/schweikh1/index.html
+++ b/1998/schweikh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schnitzi/index.html">&larr; schnitzi</a>
+  <a class="Left" href="../schnitzi/index.html">&larr; 1998/schnitzi</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../schweikh2/index.html">schweikh2 &rarr;</a>
+  <a class="Left" href="../schweikh2/index.html">1998/schweikh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh1/schweikh1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/schweikh2/index.html b/1998/schweikh2/index.html
index 33e5076a0..11c359ba4 100644
--- a/1998/schweikh2/index.html
+++ b/1998/schweikh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh1/index.html">&larr; schweikh1</a>
+  <a class="Left" href="../schweikh1/index.html">&larr; 1998/schweikh1</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../schweikh3/index.html">schweikh3 &rarr;</a>
+  <a class="Left" href="../schweikh3/index.html">1998/schweikh3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh2/schweikh2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/schweikh3/index.html b/1998/schweikh3/index.html
index f76e7fd0e..14430d83c 100644
--- a/1998/schweikh3/index.html
+++ b/1998/schweikh3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh2/index.html">&larr; schweikh2</a>
+  <a class="Left" href="../schweikh2/index.html">&larr; 1998/schweikh2</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left" href="../tomtorfs/index.html">tomtorfs &rarr;</a>
+  <a class="Left" href="../tomtorfs/index.html">1998/tomtorfs &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh3/schweikh3.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/1998/tomtorfs/index.html b/1998/tomtorfs/index.html
index b9e792217..734856f36 100644
--- a/1998/tomtorfs/index.html
+++ b/1998/tomtorfs/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh3/index.html">&larr; schweikh3</a>
+  <a class="Left" href="../schweikh3/index.html">&larr; 1998/schweikh3</a>
   <a class="Left" href="../index.html">&uarr; 1998 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2000/anderson/index.html">2000/anderson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/tomtorfs/tomtorfs.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/tomtorfs/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F1998%2Ftomtorfs%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2000/anderson/index.html b/2000/anderson/index.html
index 002349b76..d24c73533 100644
--- a/2000/anderson/index.html
+++ b/2000/anderson/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../1998/tomtorfs/index.html">&larr; 1998/tomtorfs</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../bellard/index.html">bellard &rarr;</a>
+  <a class="Left" href="../bellard/index.html">2000/bellard &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/anderson/anderson.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/anderson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2000%2Fanderson%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2000/bellard/index.html b/2000/bellard/index.html
index 2b1e0a7a2..18a7a2a4b 100644
--- a/2000/bellard/index.html
+++ b/2000/bellard/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anderson/index.html">&larr; anderson</a>
+  <a class="Left" href="../anderson/index.html">&larr; 2000/anderson</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../bmeyer/index.html">bmeyer &rarr;</a>
+  <a class="Left" href="../bmeyer/index.html">2000/bmeyer &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/bellard/bellard.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/bellard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/bmeyer/index.html b/2000/bmeyer/index.html
index 83f59e4a6..7bc090f76 100644
--- a/2000/bmeyer/index.html
+++ b/2000/bmeyer/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bellard/index.html">&larr; bellard</a>
+  <a class="Left" href="../bellard/index.html">&larr; 2000/bellard</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../briddlebane/index.html">briddlebane &rarr;</a>
+  <a class="Left" href="../briddlebane/index.html">2000/briddlebane &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/bmeyer/bmeyer.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/bmeyer/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/briddlebane/index.html b/2000/briddlebane/index.html
index 5da224345..6bf161836 100644
--- a/2000/briddlebane/index.html
+++ b/2000/briddlebane/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bmeyer/index.html">&larr; bmeyer</a>
+  <a class="Left" href="../bmeyer/index.html">&larr; 2000/bmeyer</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../dhyang/index.html">dhyang &rarr;</a>
+  <a class="Left" href="../dhyang/index.html">2000/dhyang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/briddlebane/briddlebane.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/briddlebane/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/dhyang/index.html b/2000/dhyang/index.html
index 7d23cb26d..abd2d32d8 100644
--- a/2000/dhyang/index.html
+++ b/2000/dhyang/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../briddlebane/index.html">&larr; briddlebane</a>
+  <a class="Left" href="../briddlebane/index.html">&larr; 2000/briddlebane</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../dlowe/index.html">dlowe &rarr;</a>
+  <a class="Left" href="../dlowe/index.html">2000/dlowe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/dhyang/dhyang.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/dhyang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/dlowe/index.html b/2000/dlowe/index.html
index eaf58bb12..01780b105 100644
--- a/2000/dlowe/index.html
+++ b/2000/dlowe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dhyang/index.html">&larr; dhyang</a>
+  <a class="Left" href="../dhyang/index.html">&larr; 2000/dhyang</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../jarijyrki/index.html">jarijyrki &rarr;</a>
+  <a class="Left" href="../jarijyrki/index.html">2000/jarijyrki &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/dlowe/dlowe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/dlowe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/jarijyrki/index.html b/2000/jarijyrki/index.html
index dfeb01335..0f58b338f 100644
--- a/2000/jarijyrki/index.html
+++ b/2000/jarijyrki/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dlowe/index.html">&larr; dlowe</a>
+  <a class="Left" href="../dlowe/index.html">&larr; 2000/dlowe</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../natori/index.html">natori &rarr;</a>
+  <a class="Left" href="../natori/index.html">2000/natori &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/jarijyrki/jarijyrki.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/jarijyrki/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/natori/index.html b/2000/natori/index.html
index c1fade484..1549d8b11 100644
--- a/2000/natori/index.html
+++ b/2000/natori/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jarijyrki/index.html">&larr; jarijyrki</a>
+  <a class="Left" href="../jarijyrki/index.html">&larr; 2000/jarijyrki</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../primenum/index.html">primenum &rarr;</a>
+  <a class="Left" href="../primenum/index.html">2000/primenum &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/natori.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/natori/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/primenum/index.html b/2000/primenum/index.html
index db5212768..137ba97ce 100644
--- a/2000/primenum/index.html
+++ b/2000/primenum/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../natori/index.html">&larr; natori</a>
+  <a class="Left" href="../natori/index.html">&larr; 2000/natori</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../rince/index.html">rince &rarr;</a>
+  <a class="Left" href="../rince/index.html">2000/rince &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/primenum/primenum.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/primenum/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/rince/index.html b/2000/rince/index.html
index 9ae1bb647..8bcb62bec 100644
--- a/2000/rince/index.html
+++ b/2000/rince/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../primenum/index.html">&larr; primenum</a>
+  <a class="Left" href="../primenum/index.html">&larr; 2000/primenum</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../robison/index.html">robison &rarr;</a>
+  <a class="Left" href="../robison/index.html">2000/robison &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/rince/rince.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/rince/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/robison/index.html b/2000/robison/index.html
index 7501a04fc..2a6e57ce6 100644
--- a/2000/robison/index.html
+++ b/2000/robison/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../rince/index.html">&larr; rince</a>
+  <a class="Left" href="../rince/index.html">&larr; 2000/rince</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../schneiderwent/index.html">schneiderwent &rarr;</a>
+  <a class="Left" href="../schneiderwent/index.html">2000/schneiderwent &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/robison/robison.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/robison/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/schneiderwent/index.html b/2000/schneiderwent/index.html
index 3403532f9..91efd9d88 100644
--- a/2000/schneiderwent/index.html
+++ b/2000/schneiderwent/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../robison/index.html">&larr; robison</a>
+  <a class="Left" href="../robison/index.html">&larr; 2000/robison</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../thadgavin/index.html">thadgavin &rarr;</a>
+  <a class="Left" href="../thadgavin/index.html">2000/thadgavin &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/schneiderwent/schneiderwent.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/schneiderwent/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/thadgavin/index.html b/2000/thadgavin/index.html
index 6b7c24a75..c55cb6f85 100644
--- a/2000/thadgavin/index.html
+++ b/2000/thadgavin/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schneiderwent/index.html">&larr; schneiderwent</a>
+  <a class="Left" href="../schneiderwent/index.html">&larr; 2000/schneiderwent</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left" href="../tomx/index.html">tomx &rarr;</a>
+  <a class="Left" href="../tomx/index.html">2000/tomx &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/thadgavin/thadgavin.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/thadgavin/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2000/tomx/index.html b/2000/tomx/index.html
index 745edb1fd..574dd0314 100644
--- a/2000/tomx/index.html
+++ b/2000/tomx/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../thadgavin/index.html">&larr; thadgavin</a>
+  <a class="Left" href="../thadgavin/index.html">&larr; 2000/thadgavin</a>
   <a class="Left" href="../index.html">&uarr; 2000 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2001/anonymous/index.html">2001/anonymous &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/tomx/tomx.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2000/tomx/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2000%2Ftomx%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2001/anonymous/index.html b/2001/anonymous/index.html
index ae897fe14..8a3edeb2f 100644
--- a/2001/anonymous/index.html
+++ b/2001/anonymous/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2000/tomx/index.html">&larr; 2000/tomx</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../bellard/index.html">bellard &rarr;</a>
+  <a class="Left" href="../bellard/index.html">2001/bellard &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/anonymous/anonymous.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/anonymous/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2001%2Fanonymous%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2001/bellard/index.html b/2001/bellard/index.html
index 427230d5b..2c90034b2 100644
--- a/2001/bellard/index.html
+++ b/2001/bellard/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anonymous/index.html">&larr; anonymous</a>
+  <a class="Left" href="../anonymous/index.html">&larr; 2001/anonymous</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../cheong/index.html">cheong &rarr;</a>
+  <a class="Left" href="../cheong/index.html">2001/cheong &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/bellard/bellard.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/bellard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/cheong/index.html b/2001/cheong/index.html
index fa08ba005..602aea6f1 100644
--- a/2001/cheong/index.html
+++ b/2001/cheong/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bellard/index.html">&larr; bellard</a>
+  <a class="Left" href="../bellard/index.html">&larr; 2001/bellard</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../coupard/index.html">coupard &rarr;</a>
+  <a class="Left" href="../coupard/index.html">2001/coupard &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/cheong/cheong.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/cheong/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/coupard/index.html b/2001/coupard/index.html
index f527c1126..6b7581c9f 100644
--- a/2001/coupard/index.html
+++ b/2001/coupard/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cheong/index.html">&larr; cheong</a>
+  <a class="Left" href="../cheong/index.html">&larr; 2001/cheong</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../ctk/index.html">ctk &rarr;</a>
+  <a class="Left" href="../ctk/index.html">2001/ctk &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/coupard/coupard.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/coupard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/ctk/index.html b/2001/ctk/index.html
index 35074e02e..bb5582669 100644
--- a/2001/ctk/index.html
+++ b/2001/ctk/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../coupard/index.html">&larr; coupard</a>
+  <a class="Left" href="../coupard/index.html">&larr; 2001/coupard</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../dgbeards/index.html">dgbeards &rarr;</a>
+  <a class="Left" href="../dgbeards/index.html">2001/dgbeards &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/ctk/ctk.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/ctk/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/dgbeards/index.html b/2001/dgbeards/index.html
index 67c728c98..e7889e865 100644
--- a/2001/dgbeards/index.html
+++ b/2001/dgbeards/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ctk/index.html">&larr; ctk</a>
+  <a class="Left" href="../ctk/index.html">&larr; 2001/ctk</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../herrmann1/index.html">herrmann1 &rarr;</a>
+  <a class="Left" href="../herrmann1/index.html">2001/herrmann1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/dgbeards/dgbeards.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/dgbeards/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/herrmann1/index.html b/2001/herrmann1/index.html
index 289ab09c9..350df20d4 100644
--- a/2001/herrmann1/index.html
+++ b/2001/herrmann1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dgbeards/index.html">&larr; dgbeards</a>
+  <a class="Left" href="../dgbeards/index.html">&larr; 2001/dgbeards</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../herrmann2/index.html">herrmann2 &rarr;</a>
+  <a class="Left" href="../herrmann2/index.html">2001/herrmann2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/herrmann1/herrmann1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/herrmann1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/herrmann2/index.html b/2001/herrmann2/index.html
index 0d8a2c81a..b6c97fa76 100644
--- a/2001/herrmann2/index.html
+++ b/2001/herrmann2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../herrmann1/index.html">&larr; herrmann1</a>
+  <a class="Left" href="../herrmann1/index.html">&larr; 2001/herrmann1</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../jason/index.html">jason &rarr;</a>
+  <a class="Left" href="../jason/index.html">2001/jason &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/herrmann2/herrmann2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/herrmann2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/jason/index.html b/2001/jason/index.html
index 7c51c7249..0d28d6368 100644
--- a/2001/jason/index.html
+++ b/2001/jason/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../herrmann2/index.html">&larr; herrmann2</a>
+  <a class="Left" href="../herrmann2/index.html">&larr; 2001/herrmann2</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../kev/index.html">kev &rarr;</a>
+  <a class="Left" href="../kev/index.html">2001/kev &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/jason/jason.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/jason/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/kev/index.html b/2001/kev/index.html
index 2cbcc76d7..05477c424 100644
--- a/2001/kev/index.html
+++ b/2001/kev/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jason/index.html">&larr; jason</a>
+  <a class="Left" href="../jason/index.html">&larr; 2001/jason</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../ollinger/index.html">ollinger &rarr;</a>
+  <a class="Left" href="../ollinger/index.html">2001/ollinger &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/kev/kev.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/kev/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/ollinger/index.html b/2001/ollinger/index.html
index 26dea1731..20e8b2a7f 100644
--- a/2001/ollinger/index.html
+++ b/2001/ollinger/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kev/index.html">&larr; kev</a>
+  <a class="Left" href="../kev/index.html">&larr; 2001/kev</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../rosten/index.html">rosten &rarr;</a>
+  <a class="Left" href="../rosten/index.html">2001/rosten &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/ollinger/ollinger.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/ollinger/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/rosten/index.html b/2001/rosten/index.html
index 7b4051dc1..368a9391c 100644
--- a/2001/rosten/index.html
+++ b/2001/rosten/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ollinger/index.html">&larr; ollinger</a>
+  <a class="Left" href="../ollinger/index.html">&larr; 2001/ollinger</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../schweikh/index.html">schweikh &rarr;</a>
+  <a class="Left" href="../schweikh/index.html">2001/schweikh &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/rosten/rosten.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/rosten/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/schweikh/index.html b/2001/schweikh/index.html
index 8f7eb7c45..42fc1fa20 100644
--- a/2001/schweikh/index.html
+++ b/2001/schweikh/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../rosten/index.html">&larr; rosten</a>
+  <a class="Left" href="../rosten/index.html">&larr; 2001/rosten</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../westley/index.html">westley &rarr;</a>
+  <a class="Left" href="../westley/index.html">2001/westley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/schweikh/schweikh.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/schweikh/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/westley/index.html b/2001/westley/index.html
index d83fce011..5b03f81b4 100644
--- a/2001/westley/index.html
+++ b/2001/westley/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikh/index.html">&larr; schweikh</a>
+  <a class="Left" href="../schweikh/index.html">&larr; 2001/schweikh</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left" href="../williams/index.html">williams &rarr;</a>
+  <a class="Left" href="../williams/index.html">2001/williams &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/westley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2001/williams/index.html b/2001/williams/index.html
index e83dfbb0e..46f7d6f91 100644
--- a/2001/williams/index.html
+++ b/2001/williams/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../westley/index.html">&larr; westley</a>
+  <a class="Left" href="../westley/index.html">&larr; 2001/westley</a>
   <a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2004/anonymous/index.html">2004/anonymous &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/williams.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2001%2Fwilliams%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2004/anonymous/index.html b/2004/anonymous/index.html
index 8eafcef77..0933377cd 100644
--- a/2004/anonymous/index.html
+++ b/2004/anonymous/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2001/williams/index.html">&larr; 2001/williams</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../arachnid/index.html">arachnid &rarr;</a>
+  <a class="Left" href="../arachnid/index.html">2004/arachnid &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/anonymous/anonymous.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/anonymous/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2004%2Fanonymous%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2004/arachnid/index.html b/2004/arachnid/index.html
index c56f19ab1..1fcefa283 100644
--- a/2004/arachnid/index.html
+++ b/2004/arachnid/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anonymous/index.html">&larr; anonymous</a>
+  <a class="Left" href="../anonymous/index.html">&larr; 2004/anonymous</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../burley/index.html">burley &rarr;</a>
+  <a class="Left" href="../burley/index.html">2004/burley &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/arachnid.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/arachnid/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/burley/index.html b/2004/burley/index.html
index a6d950342..565a31158 100644
--- a/2004/burley/index.html
+++ b/2004/burley/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../arachnid/index.html">&larr; arachnid</a>
+  <a class="Left" href="../arachnid/index.html">&larr; 2004/arachnid</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../gavare/index.html">gavare &rarr;</a>
+  <a class="Left" href="../gavare/index.html">2004/gavare &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/burley/burley.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/burley/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/gavare/index.html b/2004/gavare/index.html
index 3aac0b0a7..ded4bef40 100644
--- a/2004/gavare/index.html
+++ b/2004/gavare/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burley/index.html">&larr; burley</a>
+  <a class="Left" href="../burley/index.html">&larr; 2004/burley</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../gavin/index.html">gavin &rarr;</a>
+  <a class="Left" href="../gavin/index.html">2004/gavin &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavare/gavare.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavare/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/gavin/index.html b/2004/gavin/index.html
index f3240dc30..18ca7f321 100644
--- a/2004/gavin/index.html
+++ b/2004/gavin/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../gavare/index.html">&larr; gavare</a>
+  <a class="Left" href="../gavare/index.html">&larr; 2004/gavare</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../hibachi/index.html">hibachi &rarr;</a>
+  <a class="Left" href="../hibachi/index.html">2004/hibachi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavin/gavin.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavin/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/hibachi/index.html b/2004/hibachi/index.html
index 83b1caa81..449e8ad54 100644
--- a/2004/hibachi/index.html
+++ b/2004/hibachi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../gavin/index.html">&larr; gavin</a>
+  <a class="Left" href="../gavin/index.html">&larr; 2004/gavin</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../hoyle/index.html">hoyle &rarr;</a>
+  <a class="Left" href="../hoyle/index.html">2004/hoyle &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/hibachi/hibachi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/hibachi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/hoyle/index.html b/2004/hoyle/index.html
index 4e2be574f..fc674a7e0 100644
--- a/2004/hoyle/index.html
+++ b/2004/hoyle/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hibachi/index.html">&larr; hibachi</a>
+  <a class="Left" href="../hibachi/index.html">&larr; 2004/hibachi</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../jdalbec/index.html">jdalbec &rarr;</a>
+  <a class="Left" href="../jdalbec/index.html">2004/jdalbec &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/hoyle/hoyle.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/hoyle/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/jdalbec/index.html b/2004/jdalbec/index.html
index ac5187871..175c78e09 100644
--- a/2004/jdalbec/index.html
+++ b/2004/jdalbec/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hoyle/index.html">&larr; hoyle</a>
+  <a class="Left" href="../hoyle/index.html">&larr; 2004/hoyle</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../kopczynski/index.html">kopczynski &rarr;</a>
+  <a class="Left" href="../kopczynski/index.html">2004/kopczynski &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/jdalbec/jdalbec.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/jdalbec/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/kopczynski/index.html b/2004/kopczynski/index.html
index 16ea612be..6f7457f9b 100644
--- a/2004/kopczynski/index.html
+++ b/2004/kopczynski/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jdalbec/index.html">&larr; jdalbec</a>
+  <a class="Left" href="../jdalbec/index.html">&larr; 2004/jdalbec</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../newbern/index.html">newbern &rarr;</a>
+  <a class="Left" href="../newbern/index.html">2004/newbern &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/kopczynski/kopczynski.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/kopczynski/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/newbern/index.html b/2004/newbern/index.html
index ec8d824cb..5e99ec4da 100644
--- a/2004/newbern/index.html
+++ b/2004/newbern/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kopczynski/index.html">&larr; kopczynski</a>
+  <a class="Left" href="../kopczynski/index.html">&larr; 2004/kopczynski</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../omoikane/index.html">omoikane &rarr;</a>
+  <a class="Left" href="../omoikane/index.html">2004/omoikane &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/newbern/newbern.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/newbern/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/omoikane/index.html b/2004/omoikane/index.html
index e269dde8f..59a42568c 100644
--- a/2004/omoikane/index.html
+++ b/2004/omoikane/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../newbern/index.html">&larr; newbern</a>
+  <a class="Left" href="../newbern/index.html">&larr; 2004/newbern</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../schnitzi/index.html">schnitzi &rarr;</a>
+  <a class="Left" href="../schnitzi/index.html">2004/schnitzi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/omoikane/omoikane.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/omoikane/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/schnitzi/index.html b/2004/schnitzi/index.html
index f081f6152..bbbe61cea 100644
--- a/2004/schnitzi/index.html
+++ b/2004/schnitzi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../omoikane/index.html">&larr; omoikane</a>
+  <a class="Left" href="../omoikane/index.html">&larr; 2004/omoikane</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../sds/index.html">sds &rarr;</a>
+  <a class="Left" href="../sds/index.html">2004/sds &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/schnitzi/schnitzi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/schnitzi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/sds/index.html b/2004/sds/index.html
index 16965af5c..9d5dd8c4d 100644
--- a/2004/sds/index.html
+++ b/2004/sds/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schnitzi/index.html">&larr; schnitzi</a>
+  <a class="Left" href="../schnitzi/index.html">&larr; 2004/schnitzi</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../vik1/index.html">vik1 &rarr;</a>
+  <a class="Left" href="../vik1/index.html">2004/vik1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/sds/sds.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/sds/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/vik1/index.html b/2004/vik1/index.html
index d5a3955bc..c2461dd9f 100644
--- a/2004/vik1/index.html
+++ b/2004/vik1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sds/index.html">&larr; sds</a>
+  <a class="Left" href="../sds/index.html">&larr; 2004/sds</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left" href="../vik2/index.html">vik2 &rarr;</a>
+  <a class="Left" href="../vik2/index.html">2004/vik2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/vik1/vik1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/vik1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2004/vik2/index.html b/2004/vik2/index.html
index 90fa3b8b2..8cdcaef92 100644
--- a/2004/vik2/index.html
+++ b/2004/vik2/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vik1/index.html">&larr; vik1</a>
+  <a class="Left" href="../vik1/index.html">&larr; 2004/vik1</a>
   <a class="Left" href="../index.html">&uarr; 2004 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2005/aidan/index.html">2005/aidan &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/vik2/vik2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/vik2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2004%2Fvik2%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2005/aidan/index.html b/2005/aidan/index.html
index 8a14da6d9..4e8d31561 100644
--- a/2005/aidan/index.html
+++ b/2005/aidan/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2004/vik2/index.html">&larr; 2004/vik2</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../anon/index.html">anon &rarr;</a>
+  <a class="Left" href="../anon/index.html">2005/anon &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/aidan/aidan.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/aidan/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2005%2Faidan%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2005/anon/index.html b/2005/anon/index.html
index 989d2da6a..6def24221 100644
--- a/2005/anon/index.html
+++ b/2005/anon/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../aidan/index.html">&larr; aidan</a>
+  <a class="Left" href="../aidan/index.html">&larr; 2005/aidan</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../boutines/index.html">boutines &rarr;</a>
+  <a class="Left" href="../boutines/index.html">2005/boutines &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/anon/anon.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/anon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/boutines/index.html b/2005/boutines/index.html
index 65ececb62..c5c039577 100644
--- a/2005/boutines/index.html
+++ b/2005/boutines/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anon/index.html">&larr; anon</a>
+  <a class="Left" href="../anon/index.html">&larr; 2005/anon</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../chia/index.html">chia &rarr;</a>
+  <a class="Left" href="../chia/index.html">2005/chia &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/boutines/boutines.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/boutines/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/chia/index.html b/2005/chia/index.html
index 12fef6a4c..b26ca1e6f 100644
--- a/2005/chia/index.html
+++ b/2005/chia/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../boutines/index.html">&larr; boutines</a>
+  <a class="Left" href="../boutines/index.html">&larr; 2005/boutines</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../giljade/index.html">giljade &rarr;</a>
+  <a class="Left" href="../giljade/index.html">2005/giljade &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/chia/chia.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/chia/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/giljade/index.html b/2005/giljade/index.html
index 7fab3aebb..c9d2c1ea2 100644
--- a/2005/giljade/index.html
+++ b/2005/giljade/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../chia/index.html">&larr; chia</a>
+  <a class="Left" href="../chia/index.html">&larr; 2005/chia</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../jetro/index.html">jetro &rarr;</a>
+  <a class="Left" href="../jetro/index.html">2005/jetro &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/giljade/giljade.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/giljade/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/jetro/index.html b/2005/jetro/index.html
index 9c33be895..4c0edfa56 100644
--- a/2005/jetro/index.html
+++ b/2005/jetro/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../giljade/index.html">&larr; giljade</a>
+  <a class="Left" href="../giljade/index.html">&larr; 2005/giljade</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../klausler/index.html">klausler &rarr;</a>
+  <a class="Left" href="../klausler/index.html">2005/klausler &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/jetro/jetro.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/jetro/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/klausler/index.html b/2005/klausler/index.html
index 920f3be24..f22c26840 100644
--- a/2005/klausler/index.html
+++ b/2005/klausler/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../jetro/index.html">&larr; jetro</a>
+  <a class="Left" href="../jetro/index.html">&larr; 2005/jetro</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../mikeash/index.html">mikeash &rarr;</a>
+  <a class="Left" href="../mikeash/index.html">2005/mikeash &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/klausler/klausler.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/klausler/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/mikeash/index.html b/2005/mikeash/index.html
index ad95e61fc..5b7d7ceee 100644
--- a/2005/mikeash/index.html
+++ b/2005/mikeash/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../klausler/index.html">&larr; klausler</a>
+  <a class="Left" href="../klausler/index.html">&larr; 2005/klausler</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../mynx/index.html">mynx &rarr;</a>
+  <a class="Left" href="../mynx/index.html">2005/mynx &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mikeash/mikeash.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mikeash/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/mynx/index.html b/2005/mynx/index.html
index 7260372ba..c8fe7e0df 100644
--- a/2005/mynx/index.html
+++ b/2005/mynx/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mikeash/index.html">&larr; mikeash</a>
+  <a class="Left" href="../mikeash/index.html">&larr; 2005/mikeash</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../persano/index.html">persano &rarr;</a>
+  <a class="Left" href="../persano/index.html">2005/persano &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mynx/mynx.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/mynx/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/persano/index.html b/2005/persano/index.html
index 271f0fa09..90c4ac469 100644
--- a/2005/persano/index.html
+++ b/2005/persano/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mynx/index.html">&larr; mynx</a>
+  <a class="Left" href="../mynx/index.html">&larr; 2005/mynx</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../sykes/index.html">sykes &rarr;</a>
+  <a class="Left" href="../sykes/index.html">2005/sykes &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/persano/persano.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/persano/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/sykes/index.html b/2005/sykes/index.html
index 7c3b7966a..ba9aad739 100644
--- a/2005/sykes/index.html
+++ b/2005/sykes/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../persano/index.html">&larr; persano</a>
+  <a class="Left" href="../persano/index.html">&larr; 2005/persano</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../timwi/index.html">timwi &rarr;</a>
+  <a class="Left" href="../timwi/index.html">2005/timwi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/sykes/sykes.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/sykes/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/timwi/index.html b/2005/timwi/index.html
index 3b0edc878..92359d458 100644
--- a/2005/timwi/index.html
+++ b/2005/timwi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sykes/index.html">&larr; sykes</a>
+  <a class="Left" href="../sykes/index.html">&larr; 2005/sykes</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../toledo/index.html">toledo &rarr;</a>
+  <a class="Left" href="../toledo/index.html">2005/toledo &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/timwi/timwi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/timwi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/toledo/index.html b/2005/toledo/index.html
index 849ef7cfd..85a7e4f51 100644
--- a/2005/toledo/index.html
+++ b/2005/toledo/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../timwi/index.html">&larr; timwi</a>
+  <a class="Left" href="../timwi/index.html">&larr; 2005/timwi</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../vik/index.html">vik &rarr;</a>
+  <a class="Left" href="../vik/index.html">2005/vik &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/toledo/toledo.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/toledo/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/vik/index.html b/2005/vik/index.html
index 872749242..b43bf4c34 100644
--- a/2005/vik/index.html
+++ b/2005/vik/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../toledo/index.html">&larr; toledo</a>
+  <a class="Left" href="../toledo/index.html">&larr; 2005/toledo</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left" href="../vince/index.html">vince &rarr;</a>
+  <a class="Left" href="../vince/index.html">2005/vince &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/vik/vik.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/vik/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2005/vince/index.html b/2005/vince/index.html
index 145896ae6..55764037f 100644
--- a/2005/vince/index.html
+++ b/2005/vince/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vik/index.html">&larr; vik</a>
+  <a class="Left" href="../vik/index.html">&larr; 2005/vik</a>
   <a class="Left" href="../index.html">&uarr; 2005 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2006/birken/index.html">2006/birken &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/vince/vince.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2005/vince/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2005%2Fvince%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2006/birken/index.html b/2006/birken/index.html
index ab18ba92b..e27f377c7 100644
--- a/2006/birken/index.html
+++ b/2006/birken/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2005/vince/index.html">&larr; 2005/vince</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../borsanyi/index.html">borsanyi &rarr;</a>
+  <a class="Left" href="../borsanyi/index.html">2006/borsanyi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/birken/birken.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/birken/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2006%2Fbirken%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2006/borsanyi/index.html b/2006/borsanyi/index.html
index c4a93ce4c..d63607ea7 100644
--- a/2006/borsanyi/index.html
+++ b/2006/borsanyi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../birken/index.html">&larr; birken</a>
+  <a class="Left" href="../birken/index.html">&larr; 2006/birken</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../grothe/index.html">grothe &rarr;</a>
+  <a class="Left" href="../grothe/index.html">2006/grothe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/borsanyi/borsanyi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/borsanyi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/grothe/index.html b/2006/grothe/index.html
index ad34e8a77..e7160dbf3 100644
--- a/2006/grothe/index.html
+++ b/2006/grothe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../borsanyi/index.html">&larr; borsanyi</a>
+  <a class="Left" href="../borsanyi/index.html">&larr; 2006/borsanyi</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../hamre/index.html">hamre &rarr;</a>
+  <a class="Left" href="../hamre/index.html">2006/hamre &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/grothe/grothe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/grothe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/hamre/index.html b/2006/hamre/index.html
index b6502ee3f..9d8024177 100644
--- a/2006/hamre/index.html
+++ b/2006/hamre/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../grothe/index.html">&larr; grothe</a>
+  <a class="Left" href="../grothe/index.html">&larr; 2006/grothe</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../meyer/index.html">meyer &rarr;</a>
+  <a class="Left" href="../meyer/index.html">2006/meyer &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/hamre/hamre.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/hamre/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/meyer/index.html b/2006/meyer/index.html
index a4062810b..3c83d1e7c 100644
--- a/2006/meyer/index.html
+++ b/2006/meyer/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hamre/index.html">&larr; hamre</a>
+  <a class="Left" href="../hamre/index.html">&larr; 2006/hamre</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../monge/index.html">monge &rarr;</a>
+  <a class="Left" href="../monge/index.html">2006/monge &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/meyer/meyer.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/meyer/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/monge/index.html b/2006/monge/index.html
index ab8658cba..795338633 100644
--- a/2006/monge/index.html
+++ b/2006/monge/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../meyer/index.html">&larr; meyer</a>
+  <a class="Left" href="../meyer/index.html">&larr; 2006/meyer</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../night/index.html">night &rarr;</a>
+  <a class="Left" href="../night/index.html">2006/night &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/monge/monge.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/monge/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/night/index.html b/2006/night/index.html
index 4e0d8b417..481526b82 100644
--- a/2006/night/index.html
+++ b/2006/night/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../monge/index.html">&larr; monge</a>
+  <a class="Left" href="../monge/index.html">&larr; 2006/monge</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../sloane/index.html">sloane &rarr;</a>
+  <a class="Left" href="../sloane/index.html">2006/sloane &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/night/night.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/night/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/sloane/index.html b/2006/sloane/index.html
index 22988a931..d4d89541d 100644
--- a/2006/sloane/index.html
+++ b/2006/sloane/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../night/index.html">&larr; night</a>
+  <a class="Left" href="../night/index.html">&larr; 2006/night</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../stewart/index.html">stewart &rarr;</a>
+  <a class="Left" href="../stewart/index.html">2006/stewart &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sloane/sloane.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sloane/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/stewart/index.html b/2006/stewart/index.html
index 0d6a160d0..b09f76be2 100644
--- a/2006/stewart/index.html
+++ b/2006/stewart/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sloane/index.html">&larr; sloane</a>
+  <a class="Left" href="../sloane/index.html">&larr; 2006/sloane</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../sykes1/index.html">sykes1 &rarr;</a>
+  <a class="Left" href="../sykes1/index.html">2006/sykes1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/stewart/stewart.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/stewart/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/sykes1/index.html b/2006/sykes1/index.html
index 78817a101..8e51aae01 100644
--- a/2006/sykes1/index.html
+++ b/2006/sykes1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../stewart/index.html">&larr; stewart</a>
+  <a class="Left" href="../stewart/index.html">&larr; 2006/stewart</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../sykes2/index.html">sykes2 &rarr;</a>
+  <a class="Left" href="../sykes2/index.html">2006/sykes2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes1/sykes1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/sykes2/index.html b/2006/sykes2/index.html
index f9b676bda..1c94d1604 100644
--- a/2006/sykes2/index.html
+++ b/2006/sykes2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sykes1/index.html">&larr; sykes1</a>
+  <a class="Left" href="../sykes1/index.html">&larr; 2006/sykes1</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../toledo1/index.html">toledo1 &rarr;</a>
+  <a class="Left" href="../toledo1/index.html">2006/toledo1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes2/sykes2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/toledo1/index.html b/2006/toledo1/index.html
index eb2c08acf..e091130fa 100644
--- a/2006/toledo1/index.html
+++ b/2006/toledo1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sykes2/index.html">&larr; sykes2</a>
+  <a class="Left" href="../sykes2/index.html">&larr; 2006/sykes2</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../toledo2/index.html">toledo2 &rarr;</a>
+  <a class="Left" href="../toledo2/index.html">2006/toledo2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo1/toledo1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/toledo2/index.html b/2006/toledo2/index.html
index f546ae9d1..d15a8c31a 100644
--- a/2006/toledo2/index.html
+++ b/2006/toledo2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../toledo1/index.html">&larr; toledo1</a>
+  <a class="Left" href="../toledo1/index.html">&larr; 2006/toledo1</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left" href="../toledo3/index.html">toledo3 &rarr;</a>
+  <a class="Left" href="../toledo3/index.html">2006/toledo3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo2/toledo2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2006/toledo3/index.html b/2006/toledo3/index.html
index ccf3aebb7..37dbf5c38 100644
--- a/2006/toledo3/index.html
+++ b/2006/toledo3/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../toledo2/index.html">&larr; toledo2</a>
+  <a class="Left" href="../toledo2/index.html">&larr; 2006/toledo2</a>
   <a class="Left" href="../index.html">&uarr; 2006 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2011/akari/index.html">2011/akari &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/toledo3.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/toledo3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2006%2Ftoledo3%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2011/akari/index.html b/2011/akari/index.html
index eb2202909..2f7361c68 100644
--- a/2011/akari/index.html
+++ b/2011/akari/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2006/toledo3/index.html">&larr; 2006/toledo3</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../blakely/index.html">blakely &rarr;</a>
+  <a class="Left" href="../blakely/index.html">2011/blakely &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/akari/akari.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/akari/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2011%2Fakari%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2011/blakely/index.html b/2011/blakely/index.html
index d8399f708..34b89420d 100644
--- a/2011/blakely/index.html
+++ b/2011/blakely/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../akari/index.html">&larr; akari</a>
+  <a class="Left" href="../akari/index.html">&larr; 2011/akari</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../borsanyi/index.html">borsanyi &rarr;</a>
+  <a class="Left" href="../borsanyi/index.html">2011/borsanyi &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/blakely/blakely.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/blakely/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/borsanyi/index.html b/2011/borsanyi/index.html
index 2f67a6ea8..64c699c7d 100644
--- a/2011/borsanyi/index.html
+++ b/2011/borsanyi/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../blakely/index.html">&larr; blakely</a>
+  <a class="Left" href="../blakely/index.html">&larr; 2011/blakely</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../dlowe/index.html">dlowe &rarr;</a>
+  <a class="Left" href="../dlowe/index.html">2011/dlowe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/borsanyi/borsanyi.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/borsanyi/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/dlowe/index.html b/2011/dlowe/index.html
index b06a34348..8c30d9e81 100644
--- a/2011/dlowe/index.html
+++ b/2011/dlowe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../borsanyi/index.html">&larr; borsanyi</a>
+  <a class="Left" href="../borsanyi/index.html">&larr; 2011/borsanyi</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../eastman/index.html">eastman &rarr;</a>
+  <a class="Left" href="../eastman/index.html">2011/eastman &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/dlowe/dlowe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/dlowe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/eastman/index.html b/2011/eastman/index.html
index 01132ec4f..061937ca3 100644
--- a/2011/eastman/index.html
+++ b/2011/eastman/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dlowe/index.html">&larr; dlowe</a>
+  <a class="Left" href="../dlowe/index.html">&larr; 2011/dlowe</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../fredriksson/index.html">fredriksson &rarr;</a>
+  <a class="Left" href="../fredriksson/index.html">2011/fredriksson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/eastman/eastman.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/eastman/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/fredriksson/index.html b/2011/fredriksson/index.html
index fd5f02c3b..ff3cf5acc 100644
--- a/2011/fredriksson/index.html
+++ b/2011/fredriksson/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../eastman/index.html">&larr; eastman</a>
+  <a class="Left" href="../eastman/index.html">&larr; 2011/eastman</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../goren/index.html">goren &rarr;</a>
+  <a class="Left" href="../goren/index.html">2011/goren &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/fredriksson/fredriksson.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/fredriksson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/goren/index.html b/2011/goren/index.html
index 1f92c0644..9ac40d112 100644
--- a/2011/goren/index.html
+++ b/2011/goren/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../fredriksson/index.html">&larr; fredriksson</a>
+  <a class="Left" href="../fredriksson/index.html">&larr; 2011/fredriksson</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../hamaji/index.html">hamaji &rarr;</a>
+  <a class="Left" href="../hamaji/index.html">2011/hamaji &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/goren/goren.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/goren/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/hamaji/index.html b/2011/hamaji/index.html
index b05f29924..49e34a6a3 100644
--- a/2011/hamaji/index.html
+++ b/2011/hamaji/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../goren/index.html">&larr; goren</a>
+  <a class="Left" href="../goren/index.html">&larr; 2011/goren</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../hou/index.html">hou &rarr;</a>
+  <a class="Left" href="../hou/index.html">2011/hou &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/hamaji/hamaji.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/hamaji/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/hou/index.html b/2011/hou/index.html
index 17f5fb0cc..f28f2eae2 100644
--- a/2011/hou/index.html
+++ b/2011/hou/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hamaji/index.html">&larr; hamaji</a>
+  <a class="Left" href="../hamaji/index.html">&larr; 2011/hamaji</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../konno/index.html">konno &rarr;</a>
+  <a class="Left" href="../konno/index.html">2011/konno &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/hou/hou.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/konno/index.html b/2011/konno/index.html
index a90dc455c..17dd0948e 100644
--- a/2011/konno/index.html
+++ b/2011/konno/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hou/index.html">&larr; hou</a>
+  <a class="Left" href="../hou/index.html">&larr; 2011/hou</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../richards/index.html">richards &rarr;</a>
+  <a class="Left" href="../richards/index.html">2011/richards &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/konno/konno.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/konno/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/richards/index.html b/2011/richards/index.html
index 5a0b91111..f9b3df10d 100644
--- a/2011/richards/index.html
+++ b/2011/richards/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../konno/index.html">&larr; konno</a>
+  <a class="Left" href="../konno/index.html">&larr; 2011/konno</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../toledo/index.html">toledo &rarr;</a>
+  <a class="Left" href="../toledo/index.html">2011/toledo &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/richards/richards.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/richards/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/toledo/index.html b/2011/toledo/index.html
index 2c9659452..4d983c918 100644
--- a/2011/toledo/index.html
+++ b/2011/toledo/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../richards/index.html">&larr; richards</a>
+  <a class="Left" href="../richards/index.html">&larr; 2011/richards</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../vik/index.html">vik &rarr;</a>
+  <a class="Left" href="../vik/index.html">2011/vik &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/toledo/toledo.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/toledo/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/vik/index.html b/2011/vik/index.html
index 91fd63efc..a7a08d3c6 100644
--- a/2011/vik/index.html
+++ b/2011/vik/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../toledo/index.html">&larr; toledo</a>
+  <a class="Left" href="../toledo/index.html">&larr; 2011/toledo</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left" href="../zucker/index.html">zucker &rarr;</a>
+  <a class="Left" href="../zucker/index.html">2011/zucker &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/vik/vik.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/vik/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2011/zucker/index.html b/2011/zucker/index.html
index 7ef16cbbd..0e6eeabe0 100644
--- a/2011/zucker/index.html
+++ b/2011/zucker/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vik/index.html">&larr; vik</a>
+  <a class="Left" href="../vik/index.html">&larr; 2011/vik</a>
   <a class="Left" href="../index.html">&uarr; 2011 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2012/blakely/index.html">2012/blakely &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/zucker.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2011/zucker/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2011%2Fzucker%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2012/blakely/index.html b/2012/blakely/index.html
index 9534b7255..57cffd0a9 100644
--- a/2012/blakely/index.html
+++ b/2012/blakely/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2011/zucker/index.html">&larr; 2011/zucker</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../deckmyn/index.html">deckmyn &rarr;</a>
+  <a class="Left" href="../deckmyn/index.html">2012/deckmyn &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/blakely/blakely.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/blakely/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2012%2Fblakely%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2012/deckmyn/index.html b/2012/deckmyn/index.html
index 0cb65f70a..3b21af2b1 100644
--- a/2012/deckmyn/index.html
+++ b/2012/deckmyn/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../blakely/index.html">&larr; blakely</a>
+  <a class="Left" href="../blakely/index.html">&larr; 2012/blakely</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../dlowe/index.html">dlowe &rarr;</a>
+  <a class="Left" href="../dlowe/index.html">2012/dlowe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/deckmyn/deckmyn.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/deckmyn/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/dlowe/index.html b/2012/dlowe/index.html
index 945255c90..b7f85fb8c 100644
--- a/2012/dlowe/index.html
+++ b/2012/dlowe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../deckmyn/index.html">&larr; deckmyn</a>
+  <a class="Left" href="../deckmyn/index.html">&larr; 2012/deckmyn</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2012/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/dlowe/dlowe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/dlowe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/endoh1/index.html b/2012/endoh1/index.html
index 737e2b1ed..da8f13dae 100644
--- a/2012/endoh1/index.html
+++ b/2012/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dlowe/index.html">&larr; dlowe</a>
+  <a class="Left" href="../dlowe/index.html">&larr; 2012/dlowe</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2012/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/endoh1/endoh1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/endoh2/index.html b/2012/endoh2/index.html
index a1c31fe3b..18f4133fb 100644
--- a/2012/endoh2/index.html
+++ b/2012/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2012/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../grothe/index.html">grothe &rarr;</a>
+  <a class="Left" href="../grothe/index.html">2012/grothe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/endoh2/endoh2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/grothe/index.html b/2012/grothe/index.html
index 32527c959..7ef46f5f9 100644
--- a/2012/grothe/index.html
+++ b/2012/grothe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2012/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../hamano/index.html">hamano &rarr;</a>
+  <a class="Left" href="../hamano/index.html">2012/hamano &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/grothe/grothe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/grothe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/hamano/index.html b/2012/hamano/index.html
index 7b68819a0..a892fd3cc 100644
--- a/2012/hamano/index.html
+++ b/2012/hamano/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../grothe/index.html">&larr; grothe</a>
+  <a class="Left" href="../grothe/index.html">&larr; 2012/grothe</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../hou/index.html">hou &rarr;</a>
+  <a class="Left" href="../hou/index.html">2012/hou &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/hamano/hamano.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/hamano/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/hou/index.html b/2012/hou/index.html
index 4de4aec63..b743f424c 100644
--- a/2012/hou/index.html
+++ b/2012/hou/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hamano/index.html">&larr; hamano</a>
+  <a class="Left" href="../hamano/index.html">&larr; 2012/hamano</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../kang/index.html">kang &rarr;</a>
+  <a class="Left" href="../kang/index.html">2012/kang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/hou/hou.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/kang/index.html b/2012/kang/index.html
index df03d2d50..9a3fb5a28 100644
--- a/2012/kang/index.html
+++ b/2012/kang/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hou/index.html">&larr; hou</a>
+  <a class="Left" href="../hou/index.html">&larr; 2012/hou</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../konno/index.html">konno &rarr;</a>
+  <a class="Left" href="../konno/index.html">2012/konno &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/kang/kang.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/kang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/konno/index.html b/2012/konno/index.html
index 04f889a79..143530e92 100644
--- a/2012/konno/index.html
+++ b/2012/konno/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kang/index.html">&larr; kang</a>
+  <a class="Left" href="../kang/index.html">&larr; 2012/kang</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../omoikane/index.html">omoikane &rarr;</a>
+  <a class="Left" href="../omoikane/index.html">2012/omoikane &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/konno/konno.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/konno/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/omoikane/index.html b/2012/omoikane/index.html
index e01686434..857a475b8 100644
--- a/2012/omoikane/index.html
+++ b/2012/omoikane/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../konno/index.html">&larr; konno</a>
+  <a class="Left" href="../konno/index.html">&larr; 2012/konno</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../tromp/index.html">tromp &rarr;</a>
+  <a class="Left" href="../tromp/index.html">2012/tromp &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/omoikane/omoikane.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/omoikane/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/tromp/index.html b/2012/tromp/index.html
index 3990342f3..fc555b54d 100644
--- a/2012/tromp/index.html
+++ b/2012/tromp/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../omoikane/index.html">&larr; omoikane</a>
+  <a class="Left" href="../omoikane/index.html">&larr; 2012/omoikane</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../vik/index.html">vik &rarr;</a>
+  <a class="Left" href="../vik/index.html">2012/vik &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/tromp/tromp.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/tromp/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/vik/index.html b/2012/vik/index.html
index 65229909c..faa5c4b12 100644
--- a/2012/vik/index.html
+++ b/2012/vik/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../tromp/index.html">&larr; tromp</a>
+  <a class="Left" href="../tromp/index.html">&larr; 2012/tromp</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left" href="../zeitak/index.html">zeitak &rarr;</a>
+  <a class="Left" href="../zeitak/index.html">2012/zeitak &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/vik/vik.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/vik/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2012/zeitak/index.html b/2012/zeitak/index.html
index 91035846c..bf0418823 100644
--- a/2012/zeitak/index.html
+++ b/2012/zeitak/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vik/index.html">&larr; vik</a>
+  <a class="Left" href="../vik/index.html">&larr; 2012/vik</a>
   <a class="Left" href="../index.html">&uarr; 2012 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2013/birken/index.html">2013/birken &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/zeitak/zeitak.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2012/zeitak/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2012%2Fzeitak%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2013/birken/index.html b/2013/birken/index.html
index b610cbbf5..8acbc2a21 100644
--- a/2013/birken/index.html
+++ b/2013/birken/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2012/zeitak/index.html">&larr; 2012/zeitak</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../cable1/index.html">cable1 &rarr;</a>
+  <a class="Left" href="../cable1/index.html">2013/cable1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/birken/birken.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/birken/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2013%2Fbirken%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2013/cable1/index.html b/2013/cable1/index.html
index 1fee8d428..7b2f4f174 100644
--- a/2013/cable1/index.html
+++ b/2013/cable1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../birken/index.html">&larr; birken</a>
+  <a class="Left" href="../birken/index.html">&larr; 2013/birken</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../cable2/index.html">cable2 &rarr;</a>
+  <a class="Left" href="../cable2/index.html">2013/cable2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable1/cable1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/cable2/index.html b/2013/cable2/index.html
index 41ca97de2..62ebd6c07 100644
--- a/2013/cable2/index.html
+++ b/2013/cable2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cable1/index.html">&larr; cable1</a>
+  <a class="Left" href="../cable1/index.html">&larr; 2013/cable1</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../cable3/index.html">cable3 &rarr;</a>
+  <a class="Left" href="../cable3/index.html">2013/cable3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable2/cable2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/cable3/index.html b/2013/cable3/index.html
index 94d4ec7fb..e60132a7f 100644
--- a/2013/cable3/index.html
+++ b/2013/cable3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cable2/index.html">&larr; cable2</a>
+  <a class="Left" href="../cable2/index.html">&larr; 2013/cable2</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../dlowe/index.html">dlowe &rarr;</a>
+  <a class="Left" href="../dlowe/index.html">2013/dlowe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/cable3.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/cable3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/dlowe/index.html b/2013/dlowe/index.html
index b41bca520..2955257eb 100644
--- a/2013/dlowe/index.html
+++ b/2013/dlowe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../cable3/index.html">&larr; cable3</a>
+  <a class="Left" href="../cable3/index.html">&larr; 2013/cable3</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2013/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/endoh1/index.html b/2013/endoh1/index.html
index 0ee4202f1..70cd91176 100644
--- a/2013/endoh1/index.html
+++ b/2013/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dlowe/index.html">&larr; dlowe</a>
+  <a class="Left" href="../dlowe/index.html">&larr; 2013/dlowe</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2013/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh1/endoh1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/endoh2/index.html b/2013/endoh2/index.html
index f9c8a508d..3b6f2b96b 100644
--- a/2013/endoh2/index.html
+++ b/2013/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2013/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../endoh3/index.html">endoh3 &rarr;</a>
+  <a class="Left" href="../endoh3/index.html">2013/endoh3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh2/endoh2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/endoh3/index.html b/2013/endoh3/index.html
index 7f0b57c45..d461d807b 100644
--- a/2013/endoh3/index.html
+++ b/2013/endoh3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2013/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../endoh4/index.html">endoh4 &rarr;</a>
+  <a class="Left" href="../endoh4/index.html">2013/endoh4 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh3/endoh3.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/endoh4/index.html b/2013/endoh4/index.html
index 180dbcfd7..344ea1c73 100644
--- a/2013/endoh4/index.html
+++ b/2013/endoh4/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh3/index.html">&larr; endoh3</a>
+  <a class="Left" href="../endoh3/index.html">&larr; 2013/endoh3</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../hou/index.html">hou &rarr;</a>
+  <a class="Left" href="../hou/index.html">2013/hou &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh4/endoh4.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/endoh4/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/hou/index.html b/2013/hou/index.html
index b6f1c72b6..f81db0809 100644
--- a/2013/hou/index.html
+++ b/2013/hou/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh4/index.html">&larr; endoh4</a>
+  <a class="Left" href="../endoh4/index.html">&larr; 2013/endoh4</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../mills/index.html">mills &rarr;</a>
+  <a class="Left" href="../mills/index.html">2013/mills &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/hou/hou.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/mills/index.html b/2013/mills/index.html
index fa37d6f4b..344dfcedd 100644
--- a/2013/mills/index.html
+++ b/2013/mills/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hou/index.html">&larr; hou</a>
+  <a class="Left" href="../hou/index.html">&larr; 2013/hou</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../misaka/index.html">misaka &rarr;</a>
+  <a class="Left" href="../misaka/index.html">2013/misaka &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/mills/mills.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/mills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/misaka/index.html b/2013/misaka/index.html
index c9e79fb10..6e3ecc432 100644
--- a/2013/misaka/index.html
+++ b/2013/misaka/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mills/index.html">&larr; mills</a>
+  <a class="Left" href="../mills/index.html">&larr; 2013/mills</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../morgan1/index.html">morgan1 &rarr;</a>
+  <a class="Left" href="../morgan1/index.html">2013/morgan1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/misaka/misaka.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/misaka/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/morgan1/index.html b/2013/morgan1/index.html
index a6ade36c5..2bf44ce87 100644
--- a/2013/morgan1/index.html
+++ b/2013/morgan1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../misaka/index.html">&larr; misaka</a>
+  <a class="Left" href="../misaka/index.html">&larr; 2013/misaka</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../morgan2/index.html">morgan2 &rarr;</a>
+  <a class="Left" href="../morgan2/index.html">2013/morgan2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/morgan1/morgan1.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/morgan1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/morgan2/index.html b/2013/morgan2/index.html
index 5ade40df5..6d465529a 100644
--- a/2013/morgan2/index.html
+++ b/2013/morgan2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../morgan1/index.html">&larr; morgan1</a>
+  <a class="Left" href="../morgan1/index.html">&larr; 2013/morgan1</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left" href="../robison/index.html">robison &rarr;</a>
+  <a class="Left" href="../robison/index.html">2013/robison &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/morgan2/morgan2.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/morgan2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2013/robison/index.html b/2013/robison/index.html
index ac4676250..a82dc0908 100644
--- a/2013/robison/index.html
+++ b/2013/robison/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../morgan2/index.html">&larr; morgan2</a>
+  <a class="Left" href="../morgan2/index.html">&larr; 2013/morgan2</a>
   <a class="Left" href="../index.html">&uarr; 2013 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2014/birken/index.html">2014/birken &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/robison/robison.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/robison/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2013%2Frobison%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2014/birken/index.html b/2014/birken/index.html
index a35678f93..00654fda2 100644
--- a/2014/birken/index.html
+++ b/2014/birken/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2013/robison/index.html">&larr; 2013/robison</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../deak/index.html">deak &rarr;</a>
+  <a class="Left" href="../deak/index.html">2014/deak &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/birken/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/birken/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2014%2Fbirken%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2014/deak/index.html b/2014/deak/index.html
index 5ef2f17ca..131a5f429 100644
--- a/2014/deak/index.html
+++ b/2014/deak/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../birken/index.html">&larr; birken</a>
+  <a class="Left" href="../birken/index.html">&larr; 2014/birken</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2014/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/deak/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/deak/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/endoh1/index.html b/2014/endoh1/index.html
index 56a3e552b..0d596d59a 100644
--- a/2014/endoh1/index.html
+++ b/2014/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../deak/index.html">&larr; deak</a>
+  <a class="Left" href="../deak/index.html">&larr; 2014/deak</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2014/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/endoh1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/endoh2/index.html b/2014/endoh2/index.html
index 52838f985..424c0c393 100644
--- a/2014/endoh2/index.html
+++ b/2014/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2014/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../maffiodo1/index.html">maffiodo1 &rarr;</a>
+  <a class="Left" href="../maffiodo1/index.html">2014/maffiodo1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/endoh2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/maffiodo1/index.html b/2014/maffiodo1/index.html
index f3fc5889a..b4f03cd20 100644
--- a/2014/maffiodo1/index.html
+++ b/2014/maffiodo1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2014/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../maffiodo2/index.html">maffiodo2 &rarr;</a>
+  <a class="Left" href="../maffiodo2/index.html">2014/maffiodo2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/maffiodo2/index.html b/2014/maffiodo2/index.html
index 81a22d6a3..37ada4acf 100644
--- a/2014/maffiodo2/index.html
+++ b/2014/maffiodo2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../maffiodo1/index.html">&larr; maffiodo1</a>
+  <a class="Left" href="../maffiodo1/index.html">&larr; 2014/maffiodo1</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../morgan/index.html">morgan &rarr;</a>
+  <a class="Left" href="../morgan/index.html">2014/morgan &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/maffiodo2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/morgan/index.html b/2014/morgan/index.html
index ef92ae121..121d5892d 100644
--- a/2014/morgan/index.html
+++ b/2014/morgan/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../maffiodo2/index.html">&larr; maffiodo2</a>
+  <a class="Left" href="../maffiodo2/index.html">&larr; 2014/maffiodo2</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../sinon/index.html">sinon &rarr;</a>
+  <a class="Left" href="../sinon/index.html">2014/sinon &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/morgan/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/morgan/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/sinon/index.html b/2014/sinon/index.html
index c7374591d..4c568136f 100644
--- a/2014/sinon/index.html
+++ b/2014/sinon/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../morgan/index.html">&larr; morgan</a>
+  <a class="Left" href="../morgan/index.html">&larr; 2014/morgan</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../skeggs/index.html">skeggs &rarr;</a>
+  <a class="Left" href="../skeggs/index.html">2014/skeggs &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/sinon/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/sinon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/skeggs/index.html b/2014/skeggs/index.html
index f959b539a..00ff461ec 100644
--- a/2014/skeggs/index.html
+++ b/2014/skeggs/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../sinon/index.html">&larr; sinon</a>
+  <a class="Left" href="../sinon/index.html">&larr; 2014/sinon</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../vik/index.html">vik &rarr;</a>
+  <a class="Left" href="../vik/index.html">2014/vik &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/skeggs/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/skeggs/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/vik/index.html b/2014/vik/index.html
index aee42b852..f1be56455 100644
--- a/2014/vik/index.html
+++ b/2014/vik/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../skeggs/index.html">&larr; skeggs</a>
+  <a class="Left" href="../skeggs/index.html">&larr; 2014/skeggs</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left" href="../wiedijk/index.html">wiedijk &rarr;</a>
+  <a class="Left" href="../wiedijk/index.html">2014/wiedijk &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/vik/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/vik/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2014/wiedijk/index.html b/2014/wiedijk/index.html
index 2ff4daf4b..651056720 100644
--- a/2014/wiedijk/index.html
+++ b/2014/wiedijk/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vik/index.html">&larr; vik</a>
+  <a class="Left" href="../vik/index.html">&larr; 2014/vik</a>
   <a class="Left" href="../index.html">&uarr; 2014 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2015/burton/index.html">2015/burton &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/wiedijk/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2014/wiedijk/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2014%2Fwiedijk%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2015/burton/index.html b/2015/burton/index.html
index 15b87374b..8467244a5 100644
--- a/2015/burton/index.html
+++ b/2015/burton/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2014/wiedijk/index.html">&larr; 2014/wiedijk</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../dogon/index.html">dogon &rarr;</a>
+  <a class="Left" href="../dogon/index.html">2015/dogon &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/burton/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/burton/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2015%2Fburton%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2015/dogon/index.html b/2015/dogon/index.html
index b49a397f1..f0220f84a 100644
--- a/2015/dogon/index.html
+++ b/2015/dogon/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burton/index.html">&larr; burton</a>
+  <a class="Left" href="../burton/index.html">&larr; 2015/burton</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../duble/index.html">duble &rarr;</a>
+  <a class="Left" href="../duble/index.html">2015/duble &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/dogon/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/dogon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/duble/index.html b/2015/duble/index.html
index 3588fb2a3..0f5509418 100644
--- a/2015/duble/index.html
+++ b/2015/duble/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dogon/index.html">&larr; dogon</a>
+  <a class="Left" href="../dogon/index.html">&larr; 2015/dogon</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2015/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/duble/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/duble/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/endoh1/index.html b/2015/endoh1/index.html
index ba3cef160..914048973 100644
--- a/2015/endoh1/index.html
+++ b/2015/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../duble/index.html">&larr; duble</a>
+  <a class="Left" href="../duble/index.html">&larr; 2015/duble</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2015/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/endoh2/index.html b/2015/endoh2/index.html
index dcfe30b8a..3206c2c0e 100644
--- a/2015/endoh2/index.html
+++ b/2015/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2015/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../endoh3/index.html">endoh3 &rarr;</a>
+  <a class="Left" href="../endoh3/index.html">2015/endoh3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/endoh3/index.html b/2015/endoh3/index.html
index cea3a3ba0..ca6aa1bd5 100644
--- a/2015/endoh3/index.html
+++ b/2015/endoh3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2015/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../endoh4/index.html">endoh4 &rarr;</a>
+  <a class="Left" href="../endoh4/index.html">2015/endoh4 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh3/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/endoh4/index.html b/2015/endoh4/index.html
index 1114858fe..0e452433d 100644
--- a/2015/endoh4/index.html
+++ b/2015/endoh4/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh3/index.html">&larr; endoh3</a>
+  <a class="Left" href="../endoh3/index.html">&larr; 2015/endoh3</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../hou/index.html">hou &rarr;</a>
+  <a class="Left" href="../hou/index.html">2015/hou &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/hou/index.html b/2015/hou/index.html
index a22627dfe..9e57e8e38 100644
--- a/2015/hou/index.html
+++ b/2015/hou/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh4/index.html">&larr; endoh4</a>
+  <a class="Left" href="../endoh4/index.html">&larr; 2015/endoh4</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../howe/index.html">howe &rarr;</a>
+  <a class="Left" href="../howe/index.html">2015/howe &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/hou/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/howe/index.html b/2015/howe/index.html
index ce1c1ae49..3ecc57547 100644
--- a/2015/howe/index.html
+++ b/2015/howe/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hou/index.html">&larr; hou</a>
+  <a class="Left" href="../hou/index.html">&larr; 2015/hou</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../mills1/index.html">mills1 &rarr;</a>
+  <a class="Left" href="../mills1/index.html">2015/mills1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/howe/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/mills1/index.html b/2015/mills1/index.html
index d687bc8ed..ff2786f0e 100644
--- a/2015/mills1/index.html
+++ b/2015/mills1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../howe/index.html">&larr; howe</a>
+  <a class="Left" href="../howe/index.html">&larr; 2015/howe</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../mills2/index.html">mills2 &rarr;</a>
+  <a class="Left" href="../mills2/index.html">2015/mills2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/mills1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/mills1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/mills2/index.html b/2015/mills2/index.html
index 73a8a65d8..0f76260b9 100644
--- a/2015/mills2/index.html
+++ b/2015/mills2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mills1/index.html">&larr; mills1</a>
+  <a class="Left" href="../mills1/index.html">&larr; 2015/mills1</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../muth/index.html">muth &rarr;</a>
+  <a class="Left" href="../muth/index.html">2015/muth &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/mills2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/mills2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/muth/index.html b/2015/muth/index.html
index 01ebe54d0..dab67b0ad 100644
--- a/2015/muth/index.html
+++ b/2015/muth/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mills2/index.html">&larr; mills2</a>
+  <a class="Left" href="../mills2/index.html">&larr; 2015/mills2</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../schweikhardt/index.html">schweikhardt &rarr;</a>
+  <a class="Left" href="../schweikhardt/index.html">2015/schweikhardt &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/muth/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/muth/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/schweikhardt/index.html b/2015/schweikhardt/index.html
index b3eaae6ff..0f32d50cf 100644
--- a/2015/schweikhardt/index.html
+++ b/2015/schweikhardt/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../muth/index.html">&larr; muth</a>
+  <a class="Left" href="../muth/index.html">&larr; 2015/muth</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left" href="../yang/index.html">yang &rarr;</a>
+  <a class="Left" href="../yang/index.html">2015/yang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/schweikhardt/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/schweikhardt/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2015/yang/index.html b/2015/yang/index.html
index 5d6924123..9df68534e 100644
--- a/2015/yang/index.html
+++ b/2015/yang/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../schweikhardt/index.html">&larr; schweikhardt</a>
+  <a class="Left" href="../schweikhardt/index.html">&larr; 2015/schweikhardt</a>
   <a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2018/algmyr/index.html">2018/algmyr &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/yang/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/yang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2015%2Fyang%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2018/algmyr/index.html b/2018/algmyr/index.html
index b3d5a2567..2bc995609 100644
--- a/2018/algmyr/index.html
+++ b/2018/algmyr/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2015/yang/index.html">&larr; 2015/yang</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../anderson/index.html">anderson &rarr;</a>
+  <a class="Left" href="../anderson/index.html">2018/anderson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/algmyr/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/algmyr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2018%2Falgmyr%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2018/anderson/index.html b/2018/anderson/index.html
index 73c982480..c2041406d 100644
--- a/2018/anderson/index.html
+++ b/2018/anderson/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../algmyr/index.html">&larr; algmyr</a>
+  <a class="Left" href="../algmyr/index.html">&larr; 2018/algmyr</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../bellard/index.html">bellard &rarr;</a>
+  <a class="Left" href="../bellard/index.html">2018/bellard &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/anderson/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/anderson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/bellard/index.html b/2018/bellard/index.html
index 533daa416..9cfbd86ad 100644
--- a/2018/bellard/index.html
+++ b/2018/bellard/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../anderson/index.html">&larr; anderson</a>
+  <a class="Left" href="../anderson/index.html">&larr; 2018/anderson</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../burton1/index.html">burton1 &rarr;</a>
+  <a class="Left" href="../burton1/index.html">2018/burton1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/bellard/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/bellard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/burton1/index.html b/2018/burton1/index.html
index 2d8ef0f25..e6fa96ac4 100644
--- a/2018/burton1/index.html
+++ b/2018/burton1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../bellard/index.html">&larr; bellard</a>
+  <a class="Left" href="../bellard/index.html">&larr; 2018/bellard</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../burton2/index.html">burton2 &rarr;</a>
+  <a class="Left" href="../burton2/index.html">2018/burton2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/burton1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/burton1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/burton2/index.html b/2018/burton2/index.html
index aa2edc3b4..3a21c5d5e 100644
--- a/2018/burton2/index.html
+++ b/2018/burton2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burton1/index.html">&larr; burton1</a>
+  <a class="Left" href="../burton1/index.html">&larr; 2018/burton1</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../ciura/index.html">ciura &rarr;</a>
+  <a class="Left" href="../ciura/index.html">2018/ciura &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/burton2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/burton2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/ciura/index.html b/2018/ciura/index.html
index c0522660f..0184fd4ed 100644
--- a/2018/ciura/index.html
+++ b/2018/ciura/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burton2/index.html">&larr; burton2</a>
+  <a class="Left" href="../burton2/index.html">&larr; 2018/burton2</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2018/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ciura/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ciura/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/endoh1/index.html b/2018/endoh1/index.html
index ebdd6dbc2..f51bd829b 100644
--- a/2018/endoh1/index.html
+++ b/2018/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ciura/index.html">&larr; ciura</a>
+  <a class="Left" href="../ciura/index.html">&larr; 2018/ciura</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2018/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/endoh1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/endoh2/index.html b/2018/endoh2/index.html
index 0908ded6c..d67c0dc98 100644
--- a/2018/endoh2/index.html
+++ b/2018/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2018/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../ferguson/index.html">ferguson &rarr;</a>
+  <a class="Left" href="../ferguson/index.html">2018/ferguson &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/endoh2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/ferguson/index.html b/2018/ferguson/index.html
index 44ec06c6d..54e664c79 100644
--- a/2018/ferguson/index.html
+++ b/2018/ferguson/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2018/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../giles/index.html">giles &rarr;</a>
+  <a class="Left" href="../giles/index.html">2018/giles &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/giles/index.html b/2018/giles/index.html
index a0b719759..06b3c1605 100644
--- a/2018/giles/index.html
+++ b/2018/giles/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ferguson/index.html">&larr; ferguson</a>
+  <a class="Left" href="../ferguson/index.html">&larr; 2018/ferguson</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../hou/index.html">hou &rarr;</a>
+  <a class="Left" href="../hou/index.html">2018/hou &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/giles/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/giles/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/hou/index.html b/2018/hou/index.html
index a6001d7ec..81c20f98b 100644
--- a/2018/hou/index.html
+++ b/2018/hou/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../giles/index.html">&larr; giles</a>
+  <a class="Left" href="../giles/index.html">&larr; 2018/giles</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../mills/index.html">mills &rarr;</a>
+  <a class="Left" href="../mills/index.html">2018/mills &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/hou/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/mills/index.html b/2018/mills/index.html
index 8f872d959..38520911e 100644
--- a/2018/mills/index.html
+++ b/2018/mills/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../hou/index.html">&larr; hou</a>
+  <a class="Left" href="../hou/index.html">&larr; 2018/hou</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../poikola/index.html">poikola &rarr;</a>
+  <a class="Left" href="../poikola/index.html">2018/poikola &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/mills/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/mills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/poikola/index.html b/2018/poikola/index.html
index 07a96473a..b01c30b61 100644
--- a/2018/poikola/index.html
+++ b/2018/poikola/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mills/index.html">&larr; mills</a>
+  <a class="Left" href="../mills/index.html">&larr; 2018/mills</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../vokes/index.html">vokes &rarr;</a>
+  <a class="Left" href="../vokes/index.html">2018/vokes &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/poikola/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/poikola/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/vokes/index.html b/2018/vokes/index.html
index 18bd28ec2..e5168b779 100644
--- a/2018/vokes/index.html
+++ b/2018/vokes/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../poikola/index.html">&larr; poikola</a>
+  <a class="Left" href="../poikola/index.html">&larr; 2018/poikola</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left" href="../yang/index.html">yang &rarr;</a>
+  <a class="Left" href="../yang/index.html">2018/yang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/vokes/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/vokes/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2018/yang/index.html b/2018/yang/index.html
index e2a229e6b..43734bd8f 100644
--- a/2018/yang/index.html
+++ b/2018/yang/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../vokes/index.html">&larr; vokes</a>
+  <a class="Left" href="../vokes/index.html">&larr; 2018/vokes</a>
   <a class="Left" href="../index.html">&uarr; 2018 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2019/adamovsky/index.html">2019/adamovsky &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2018%2Fyang%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2019/adamovsky/index.html b/2019/adamovsky/index.html
index 67595007b..c117323ca 100644
--- a/2019/adamovsky/index.html
+++ b/2019/adamovsky/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2018/yang/index.html">&larr; 2018/yang</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../burton/index.html">burton &rarr;</a>
+  <a class="Left" href="../burton/index.html">2019/burton &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/adamovsky/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/adamovsky/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2019%2Fadamovsky%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2019/burton/index.html b/2019/burton/index.html
index 195d90247..9fc771c2d 100644
--- a/2019/burton/index.html
+++ b/2019/burton/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../adamovsky/index.html">&larr; adamovsky</a>
+  <a class="Left" href="../adamovsky/index.html">&larr; 2019/adamovsky</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../ciura/index.html">ciura &rarr;</a>
+  <a class="Left" href="../ciura/index.html">2019/ciura &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/ciura/index.html b/2019/ciura/index.html
index 89ceb5f7e..7f8996fd1 100644
--- a/2019/ciura/index.html
+++ b/2019/ciura/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burton/index.html">&larr; burton</a>
+  <a class="Left" href="../burton/index.html">&larr; 2019/burton</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../diels-grabsch1/index.html">diels-grabsch1 &rarr;</a>
+  <a class="Left" href="../diels-grabsch1/index.html">2019/diels-grabsch1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/ciura/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/ciura/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/diels-grabsch1/index.html b/2019/diels-grabsch1/index.html
index b1f1f0f3e..ef72d99b6 100644
--- a/2019/diels-grabsch1/index.html
+++ b/2019/diels-grabsch1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ciura/index.html">&larr; ciura</a>
+  <a class="Left" href="../ciura/index.html">&larr; 2019/ciura</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../diels-grabsch2/index.html">diels-grabsch2 &rarr;</a>
+  <a class="Left" href="../diels-grabsch2/index.html">2019/diels-grabsch2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/diels-grabsch1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/diels-grabsch1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/diels-grabsch2/index.html b/2019/diels-grabsch2/index.html
index 97f070bcf..f7b4a6edf 100644
--- a/2019/diels-grabsch2/index.html
+++ b/2019/diels-grabsch2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../diels-grabsch1/index.html">&larr; diels-grabsch1</a>
+  <a class="Left" href="../diels-grabsch1/index.html">&larr; 2019/diels-grabsch1</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../dogon/index.html">dogon &rarr;</a>
+  <a class="Left" href="../dogon/index.html">2019/dogon &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/diels-grabsch2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/diels-grabsch2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/dogon/index.html b/2019/dogon/index.html
index 5e8b1dc0d..1e363eaec 100644
--- a/2019/dogon/index.html
+++ b/2019/dogon/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../diels-grabsch2/index.html">&larr; diels-grabsch2</a>
+  <a class="Left" href="../diels-grabsch2/index.html">&larr; 2019/diels-grabsch2</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../duble/index.html">duble &rarr;</a>
+  <a class="Left" href="../duble/index.html">2019/duble &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/dogon/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/dogon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/duble/index.html b/2019/duble/index.html
index 3bd2e16a7..1557ede49 100644
--- a/2019/duble/index.html
+++ b/2019/duble/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../dogon/index.html">&larr; dogon</a>
+  <a class="Left" href="../dogon/index.html">&larr; 2019/dogon</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../endoh/index.html">endoh &rarr;</a>
+  <a class="Left" href="../endoh/index.html">2019/endoh &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/duble/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/duble/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/endoh/index.html b/2019/endoh/index.html
index 50df07afd..eb2f1c1a5 100644
--- a/2019/endoh/index.html
+++ b/2019/endoh/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../duble/index.html">&larr; duble</a>
+  <a class="Left" href="../duble/index.html">&larr; 2019/duble</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../giles/index.html">giles &rarr;</a>
+  <a class="Left" href="../giles/index.html">2019/giles &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/endoh/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/endoh/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/giles/index.html b/2019/giles/index.html
index 9b00b5e43..a8f0eebd0 100644
--- a/2019/giles/index.html
+++ b/2019/giles/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh/index.html">&larr; endoh</a>
+  <a class="Left" href="../endoh/index.html">&larr; 2019/endoh</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../karns/index.html">karns &rarr;</a>
+  <a class="Left" href="../karns/index.html">2019/karns &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/giles/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/giles/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/karns/index.html b/2019/karns/index.html
index d258ade3a..c03009243 100644
--- a/2019/karns/index.html
+++ b/2019/karns/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../giles/index.html">&larr; giles</a>
+  <a class="Left" href="../giles/index.html">&larr; 2019/giles</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../lynn/index.html">lynn &rarr;</a>
+  <a class="Left" href="../lynn/index.html">2019/lynn &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/karns/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/lynn/index.html b/2019/lynn/index.html
index 0c0149e9c..e18765ee4 100644
--- a/2019/lynn/index.html
+++ b/2019/lynn/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../karns/index.html">&larr; karns</a>
+  <a class="Left" href="../karns/index.html">&larr; 2019/karns</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../mills/index.html">mills &rarr;</a>
+  <a class="Left" href="../mills/index.html">2019/mills &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/lynn/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/lynn/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/mills/index.html b/2019/mills/index.html
index 4863992d8..2aeb6cf0f 100644
--- a/2019/mills/index.html
+++ b/2019/mills/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../lynn/index.html">&larr; lynn</a>
+  <a class="Left" href="../lynn/index.html">&larr; 2019/lynn</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../poikola/index.html">poikola &rarr;</a>
+  <a class="Left" href="../poikola/index.html">2019/poikola &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/mills/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/mills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/poikola/index.html b/2019/poikola/index.html
index 66724ebd1..191dc0cc8 100644
--- a/2019/poikola/index.html
+++ b/2019/poikola/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../mills/index.html">&larr; mills</a>
+  <a class="Left" href="../mills/index.html">&larr; 2019/mills</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left" href="../yang/index.html">yang &rarr;</a>
+  <a class="Left" href="../yang/index.html">2019/yang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/poikola/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/poikola/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2019/yang/index.html b/2019/yang/index.html
index 28cfc5145..0a9da6e99 100644
--- a/2019/yang/index.html
+++ b/2019/yang/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.last.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../poikola/index.html">&larr; poikola</a>
+  <a class="Left" href="../poikola/index.html">&larr; 2019/poikola</a>
   <a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
-  <a class="Left Disabled" href="#">last entry</a>
+  <a class="Left" href="../../2020/burton/index.html">2020/burton &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2019%2Fyang%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.last.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2020/burton/index.html b/2020/burton/index.html
index 7d0999055..2d7620cb4 100644
--- a/2020/burton/index.html
+++ b/2020/burton/index.html
@@ -373,19 +373,19 @@
 </div>
 
 <!-- END: this line ends content from: inc/header.default.html -->
-<!-- START: this line starts content from: inc/navbar.first.html -->
+<!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left Disabled" href="#">first entry</a>
+  <a class="Left" href="../../2019/yang/index.html">&larr; 2019/yang</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../carlini/index.html">carlini &rarr;</a>
+  <a class="Left" href="../carlini/index.html">2020/carlini &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/burton/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/burton/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2020%2Fburton%2Findex.html">&#x2713;</a>
 </div>
 
-<!-- END: this line ends content from: inc/navbar.first.html -->
+<!-- END: this line ends content from: inc/navbar.mid.html -->
 <!-- START: this line starts content from: inc/before-content.default.html -->
 
     <div class="content" id="content">
diff --git a/2020/carlini/index.html b/2020/carlini/index.html
index 708ad1b54..0a7075cf3 100644
--- a/2020/carlini/index.html
+++ b/2020/carlini/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../burton/index.html">&larr; burton</a>
+  <a class="Left" href="../burton/index.html">&larr; 2020/burton</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../endoh1/index.html">endoh1 &rarr;</a>
+  <a class="Left" href="../endoh1/index.html">2020/endoh1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/carlini/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/carlini/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/endoh1/index.html b/2020/endoh1/index.html
index 6c78abcea..9e3082ea3 100644
--- a/2020/endoh1/index.html
+++ b/2020/endoh1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../carlini/index.html">&larr; carlini</a>
+  <a class="Left" href="../carlini/index.html">&larr; 2020/carlini</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../endoh2/index.html">endoh2 &rarr;</a>
+  <a class="Left" href="../endoh2/index.html">2020/endoh2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/endoh2/index.html b/2020/endoh2/index.html
index e8a935e1e..444bd0263 100644
--- a/2020/endoh2/index.html
+++ b/2020/endoh2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh1/index.html">&larr; endoh1</a>
+  <a class="Left" href="../endoh1/index.html">&larr; 2020/endoh1</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../endoh3/index.html">endoh3 &rarr;</a>
+  <a class="Left" href="../endoh3/index.html">2020/endoh3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/endoh3/index.html b/2020/endoh3/index.html
index 2b5de17e4..40befcdd0 100644
--- a/2020/endoh3/index.html
+++ b/2020/endoh3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh2/index.html">&larr; endoh2</a>
+  <a class="Left" href="../endoh2/index.html">&larr; 2020/endoh2</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../ferguson1/index.html">ferguson1 &rarr;</a>
+  <a class="Left" href="../ferguson1/index.html">2020/ferguson1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh3/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/endoh3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/ferguson1/index.html b/2020/ferguson1/index.html
index 556e9277c..2aba70201 100644
--- a/2020/ferguson1/index.html
+++ b/2020/ferguson1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../endoh3/index.html">&larr; endoh3</a>
+  <a class="Left" href="../endoh3/index.html">&larr; 2020/endoh3</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../ferguson2/index.html">ferguson2 &rarr;</a>
+  <a class="Left" href="../ferguson2/index.html">2020/ferguson2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/ferguson2/index.html b/2020/ferguson2/index.html
index 2cf5ea35f..ac9c6328c 100644
--- a/2020/ferguson2/index.html
+++ b/2020/ferguson2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ferguson1/index.html">&larr; ferguson1</a>
+  <a class="Left" href="../ferguson1/index.html">&larr; 2020/ferguson1</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../giles/index.html">giles &rarr;</a>
+  <a class="Left" href="../giles/index.html">2020/giles &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/giles/index.html b/2020/giles/index.html
index 50b938e13..51bed1986 100644
--- a/2020/giles/index.html
+++ b/2020/giles/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../ferguson2/index.html">&larr; ferguson2</a>
+  <a class="Left" href="../ferguson2/index.html">&larr; 2020/ferguson2</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../kurdyukov1/index.html">kurdyukov1 &rarr;</a>
+  <a class="Left" href="../kurdyukov1/index.html">2020/kurdyukov1 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/giles/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/giles/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/kurdyukov1/index.html b/2020/kurdyukov1/index.html
index 5ffb7e491..40a99b6dc 100644
--- a/2020/kurdyukov1/index.html
+++ b/2020/kurdyukov1/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../giles/index.html">&larr; giles</a>
+  <a class="Left" href="../giles/index.html">&larr; 2020/giles</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../kurdyukov2/index.html">kurdyukov2 &rarr;</a>
+  <a class="Left" href="../kurdyukov2/index.html">2020/kurdyukov2 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/kurdyukov2/index.html b/2020/kurdyukov2/index.html
index 79ed11e7c..8bdbeb5fa 100644
--- a/2020/kurdyukov2/index.html
+++ b/2020/kurdyukov2/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kurdyukov1/index.html">&larr; kurdyukov1</a>
+  <a class="Left" href="../kurdyukov1/index.html">&larr; 2020/kurdyukov1</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../kurdyukov3/index.html">kurdyukov3 &rarr;</a>
+  <a class="Left" href="../kurdyukov3/index.html">2020/kurdyukov3 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/kurdyukov3/index.html b/2020/kurdyukov3/index.html
index c6d3be406..393fd6443 100644
--- a/2020/kurdyukov3/index.html
+++ b/2020/kurdyukov3/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kurdyukov2/index.html">&larr; kurdyukov2</a>
+  <a class="Left" href="../kurdyukov2/index.html">&larr; 2020/kurdyukov2</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../kurdyukov4/index.html">kurdyukov4 &rarr;</a>
+  <a class="Left" href="../kurdyukov4/index.html">2020/kurdyukov4 &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov3/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov3/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/kurdyukov4/index.html b/2020/kurdyukov4/index.html
index abf07b631..44bb56bcf 100644
--- a/2020/kurdyukov4/index.html
+++ b/2020/kurdyukov4/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kurdyukov3/index.html">&larr; kurdyukov3</a>
+  <a class="Left" href="../kurdyukov3/index.html">&larr; 2020/kurdyukov3</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../otterness/index.html">otterness &rarr;</a>
+  <a class="Left" href="../otterness/index.html">2020/otterness &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov4/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/kurdyukov4/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/otterness/index.html b/2020/otterness/index.html
index 3182583be..c9dff9ab5 100644
--- a/2020/otterness/index.html
+++ b/2020/otterness/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../kurdyukov4/index.html">&larr; kurdyukov4</a>
+  <a class="Left" href="../kurdyukov4/index.html">&larr; 2020/kurdyukov4</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../tsoj/index.html">tsoj &rarr;</a>
+  <a class="Left" href="../tsoj/index.html">2020/tsoj &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/otterness/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/otterness/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/tsoj/index.html b/2020/tsoj/index.html
index 77f66a24e..dfa1b2557 100644
--- a/2020/tsoj/index.html
+++ b/2020/tsoj/index.html
@@ -376,9 +376,9 @@
 <!-- START: this line starts content from: inc/navbar.mid.html -->
 
 <div class="navbar">
-  <a class="Left" href="../otterness/index.html">&larr; otterness</a>
+  <a class="Left" href="../otterness/index.html">&larr; 2020/otterness</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
-  <a class="Left" href="../yang/index.html">yang &rarr;</a>
+  <a class="Left" href="../yang/index.html">2020/yang &rarr;</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/tsoj/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/tsoj/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
diff --git a/2020/yang/index.html b/2020/yang/index.html
index 88f11f4c3..dbc8fe479 100644
--- a/2020/yang/index.html
+++ b/2020/yang/index.html
@@ -376,7 +376,7 @@
 <!-- START: this line starts content from: inc/navbar.last.html -->
 
 <div class="navbar">
-  <a class="Left" href="../tsoj/index.html">&larr; tsoj</a>
+  <a class="Left" href="../tsoj/index.html">&larr; 2020/tsoj</a>
   <a class="Left" href="../index.html">&uarr; 2020 &uarr;</a>
   <a class="Left Disabled" href="#">last entry</a>
   <a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/yang/prog.c">C code</a>
diff --git a/Makefile b/Makefile
index ef0c0ccce..7459b12a1 100644
--- a/Makefile
+++ b/Makefile
@@ -331,7 +331,7 @@ help:
 	@echo '# Rules for building a local copy of the IOCCC website:'
 	@echo
 	@echo 'make tab_check		;: check for ASCII tabs in markdown files'
-	@echo 'make genpath		;: form top level .top, YYYY level .year and winner .path files'
+	@echo 'make genpath		;: form top level .top and .allyear, YYYY level .year and winner .path files'
 	@echo 'make genfilelist	;: generate YYYY level .filelist'
 	@echo 'make verify_entry_files	;: check to be sure all files in all entries exist'
 	@echo 'make gen_authors	;: generate the top level authors.html page'
@@ -403,7 +403,7 @@ tab_check:
 	    fi
 	@echo '=-=-=-=-= IOCCC complete make $@ =-=-=-=-='
 
-# form the top level .top, YYYY level .year and winner level .path files
+# form the top level .top and .allyear, YYYY level .year and winner level .path files
 #
 # IMPORTANT: This file assumes that make clobber was previously done.
 #
@@ -418,6 +418,16 @@ genpath:
 		echo "Warning: $$i/Makefile not found, skipping $$i for $@ processing" 1>&2 ; \
 	    fi; \
         done
+	@${RM} -f ".allyear.tmp"
+	@for i in ${YEARS}; do \
+	    cat "$$i/.year"; \
+	done | ${SORT} -f -d -u > ".allyear.tmp"
+	@if ${CMP} -s ".allyear.tmp" .allyear; then \
+	    ${RM} -f ".allyear.tmp"; \
+	else \
+	    ${MV} -f ".allyear.tmp" .allyear; \
+	    ${CHMOD} 0444 .allyear; \
+	fi
 	@echo '=-=-=-=-= IOCCC complete make $@ =-=-=-=-='
 
 # generate YYYY level .filelist
diff --git a/bin/subst.entry-index.sh b/bin/subst.entry-index.sh
index 15404bc2c..36dce1436 100755
--- a/bin/subst.entry-index.sh
+++ b/bin/subst.entry-index.sh
@@ -103,7 +103,7 @@ shopt -s globstar	# enable ** to match all files and zero or more directories an
 
 # set variables referenced in the usage message
 #
-export VERSION="1.3.5 2024-08-05"
+export VERSION="1.4 2024-08-09"
 NAME=$(basename "$0")
 export NAME
 export V_FLAG=0
@@ -391,9 +391,9 @@ if [[ ! -d $YEAR_DIR ]]; then
     exit 3
 fi
 export ENTRY_ID="${YEAR_DIR}_${ENTRY_DIR}"
-export DOT_YEAR="$YEAR_DIR/.year"
-if [[ ! -s $DOT_YEAR ]]; then
-    echo "$0: ERROR: not a non-empty file: $DOT_YEAR" 1>&2
+export DOT_ALLYEAR=".allyear"
+if [[ ! -s $DOT_ALLYEAR ]]; then
+    echo "$0: ERROR: not a non-empty file: $DOT_ALLYEAR" 1>&2
     exit 6
 fi
 # Now that we have moved to topdir, form and verify YYYY_DIR is a writable directory
@@ -486,7 +486,7 @@ if [[ $V_FLAG -ge 3 ]]; then
     echo "$0: debug[3]: YEAR_DIR=$YEAR_DIR" 1>&2
     echo "$0: debug[3]: ENTRY_DIR=$ENTRY_DIR" 1>&2
     echo "$0: debug[3]: ENTRY_ID=$ENTRY_ID" 1>&2
-    echo "$0: debug[3]: DOT_YEAR=$DOT_YEAR" 1>&2
+    echo "$0: debug[3]: DOT_ALLYEAR=$DOT_ALLYEAR" 1>&2
     echo "$0: debug[3]: YYYY_DIR=$YYYY_DIR" 1>&2
     echo "$0: debug[3]: DOT_PATH=$DOT_PATH" 1>&2
     echo "$0: debug[3]: DOT_PATH_CONTENT=$DOT_PATH_CONTENT" 1>&2
@@ -526,7 +526,7 @@ echo "HEADER_2=$YYYY_DIR - $AWARD"
 
 # output navbar left hand side links
 #
-awk -v entry_path="$YYYY_DIR" -f "$ENTRY_NAVBAR_AWK" "$DOT_YEAR"
+awk -v entry_path="$YYYY_DIR" -f "$ENTRY_NAVBAR_AWK" "$DOT_ALLYEAR"
 status="$?"
 if [[ $status -ne 0 ]]; then
     echo "$0: ERROR: subst.entry-navbar.awk failed, error: $status" 1>&2
diff --git a/bin/subst.entry-navbar.awk b/bin/subst.entry-navbar.awk
index 094369536..a149b4ec4 100755
--- a/bin/subst.entry-navbar.awk
+++ b/bin/subst.entry-navbar.awk
@@ -13,6 +13,10 @@
 #
 #	awk -v entry_path=YYYY/dir -f bin/subst.entry-navbar.awk YYYY/.year
 #
+# usage:
+#
+#	awk -v entry_path=YYYY/dir -f bin/subst.entry-navbar.awk .allyear
+#
 # where:
 #
 #	YYYY	IOCCC year or mock
@@ -22,7 +26,7 @@ BEGIN {
 
     # setup
     #
-    VERSION="1.2 2024-03-02"
+    VERSION="1.3 2024-08-02"
     process_next_line = 0;	# 1 ==> we found our entry_path, now process the next line
     found_entry_path = 0;	# 1 ==> we found our entry_path
     prev_line = "";		# the previous YYYY/dir line
@@ -33,6 +37,15 @@ BEGIN {
     if (length(entry_path) == 0) {
 	exit 210;	# use 210 to match length(entry_path) == 0 error in the END section
     }
+
+    # determine entry_path_year and entry_path_dir
+    #
+    len = split(entry_path, file, "/");
+    if (len != 2) {
+	exit 211;	# use 211 to match len != 2 error in the END section
+    }
+    entry_path_year = file[1];
+    entry_path_dir = file[2];
 }
 
 # process YYYY/dir lines
@@ -47,7 +60,7 @@ $0 ~ /[^\/]+\/[^\/]+/ {
 	print "-e";
 	print "'invalid split of:", $0, "expected 2 part, found:", len "'";
 	print "-E";
-	print "211";
+	print "212";
 	exit
     }
     year = file[1];
@@ -60,10 +73,15 @@ $0 ~ /[^\/]+\/[^\/]+/ {
 	# process the line after we found our entry_path
 	#
 	# report the previous entry for this year
+	if (year == entry_path_year) {
+	    print "-s";
+	    print "RIGHT_LINK=../" dir "/index.html";
+	} else {
+	    print "-s";
+	    print "RIGHT_LINK=../../" year "/" dir "/index.html";
+	}
 	print "-s";
-	print "RIGHT_LINK=../" dir "/index.html";
-	print "-s";
-	print "RIGHT_TEXT=" dir;
+	print "RIGHT_TEXT=" year "/" dir;
 	process_next_line = 0;
 
     # if we found our entry_path
@@ -89,24 +107,22 @@ $0 ~ /[^\/]+\/[^\/]+/ {
 		print "-e";
 		print "'invalid split of:", prev_line "expected 2 part, found:", prev_len "'";
 		print "-E";
-		print "212";
+		print "213";
 		exit
 	    }
 	    prev_year = file[1];
 	    prev_dir = file[2];
-	    if (year != prev_year) {
-		# ERROR: previous YYYY/dir YYYY does not match current line
-		print "-e";
-		print "'previous line:", prev_line "year:", prev_year, "!= current line year:", year "'";
-		print "-E";
-		print "213";
-	    }
 
 	    # report the next entry for this year
+	    if (prev_year == entry_path_year) {
+		print "-s";
+		print "LEFT_LINK=../" prev_dir "/index.html";
+	    } else {
+		print "-s";
+		print "LEFT_LINK=../../" prev_year "/" prev_dir "/index.html";
+	    }
 	    print "-s";
-	    print "LEFT_LINK=../" prev_dir "/index.html";
-	    print "-s";
-	    print "LEFT_TEXT=" prev_dir;
+	    print "LEFT_TEXT=" prev_year "/" prev_dir;
 	}
 
 	# process our found entry_path
@@ -139,7 +155,7 @@ $0 !~ /[^\/]+\/[^\/]+/ {
 
 END {
 
-    # error if github is not set via -v github=REPO_URL
+    # error if entry_path is not set via -v entry_path=YYYY/dir
     #
     if (length(entry_path) == 0) {
 	print "-e";
@@ -149,6 +165,18 @@ END {
 	exit 210;		# use 210 to match length(entry_path) == 0 error in the BEGIN section
     }
 
+    # error if entry_path_year and entry_path_dir
+    #
+    len = split(entry_path, file, "/");
+    if (len != 2) {
+	# ERROR: invalid split of a YYYY/dir line
+	print "-e";
+	print "'invalid split of entry_path:", entry_path, "expected 2 part, found:", len "'";
+	print "-E";
+	print "211";
+	exit 211;
+    }
+
     # case: we did not find our entry_path
     #
     if (!found_entry_path) {
diff --git a/faq.html b/faq.html
index 6a4ab1136..200ea11a9 100644
--- a/faq.html
+++ b/faq.html
@@ -488,7 +488,7 @@ other inconsistencies with the original entry?</a></li>
 <li><a class="normal" href="#faq6_5">6.5 - What is an <code>author handle</code>?</a></li>
 <li><a class="normal" href="#faq6_6">6.6 - What is an <code>author_handle.json</code> file and how are they used?</a></li>
 <li><a class="normal" href="#faq6_7">6.7 - What is an <code>entry_id</code>?</a></li>
-<li><a class="normal" href="#faq6_8">6.8 - What is the purpose of the .top, .year and .path files?</a></li>
+<li><a class="normal" href="#faq6_8">6.8 - What is the purpose of the .top, .allyear, .year and .path files?</a></li>
 <li><a class="normal" href="#faq6_9">6.9 - What is the current meaning of the IOCCC terms Author, Entry, and Submission?</a></li>
 <li><a class="normal" href="#faq6_10">6.10 - How does someone make a change to a file and submit that change as a GitHub pull request?</a></li>
 <li><a class="normal" href="#faq6_11">6.11 - Am I allowed to use IOCCC content?</a></li>
@@ -4340,20 +4340,23 @@ of 2020 is found under the following directory:</p>
 <div id="faq6_8">
 <div id="dot_path">
 <div id="dot_year">
+<div id="dot_allyear">
 <div id="dot_top">
-<h3 id="faq-6.8-what-is-the-purpose-of-the-.top-.year-and-.path-files">FAQ 6.8: What is the purpose of the .top, .year and .path files?</h3>
+<h3 id="faq-6.8-what-is-the-purpose-of-the-.top-.allyear-.year-and-.path-files">FAQ 6.8: What is the purpose of the .top, .allyear, .year and .path files?</h3>
 </div>
 </div>
 </div>
 </div>
-<p>The <a href=".top">.top</a> file resides at the top directory. This file contains the complete list
+</div>
+<p>The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/.top">.top</a> file resides at the top directory. This file contains the complete list
 of IOCCC years.</p>
 <p>Under each IOCCC year. one will find a <code>.year</code> file. These files contain directory paths from the top directory,
 of the IOCCC entry directories for a given year. For example, see the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/.year">1984/.year</a> file.</p>
+<p>The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/.allyear">.allyear</a> file contains the contents of all <code>.year</code> files for all IOCCC years.</p>
 <p>Under each IOCCC entry directory, you will find a <code>.path</code> file.
 These files contain the directory path from the top directory.
 For example see <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/anonymous/.path">1984/anonymous/.path</a>.</p>
-<p>The .top, .year and .path files are generated from the top level Makefile, by:</p>
+<p>The .top, .allyear, .year and .path files are generated from the top level Makefile, by:</p>
 <pre><code>    make genpath</code></pre>
 <div id="faq6_9">
 <div id="terms">
diff --git a/faq.md b/faq.md
index fa116b642..705782c5c 100644
--- a/faq.md
+++ b/faq.md
@@ -100,7 +100,7 @@ other inconsistencies with the original entry?</a>
 - <a class="normal" href="#faq6_5">6.5  - What is an `author handle`?</a>
 - <a class="normal" href="#faq6_6">6.6  - What is an `author_handle.json` file and how are they used?</a>
 - <a class="normal" href="#faq6_7">6.7  - What is an `entry_id`?</a>
-- <a class="normal" href="#faq6_8">6.8 -  What is the purpose of the .top, .year and .path files?</a>
+- <a class="normal" href="#faq6_8">6.8 -  What is the purpose of the .top, .allyear, .year and .path files?</a>
 - <a class="normal" href="#faq6_9">6.9 -  What is the current meaning of the IOCCC terms Author, Entry, and Submission?</a>
 - <a class="normal" href="#faq6_10">6.10 - How does someone make a change to a file and submit that change as a GitHub pull request?</a>
 - <a class="normal" href="#faq6_11">6.11 - Am I allowed to use IOCCC content?</a>
@@ -5320,24 +5320,28 @@ The `entry_id` for that winning entry is:
 <div id="faq6_8">
 <div id="dot_path">
 <div id="dot_year">
+<div id="dot_allyear">
 <div id="dot_top">
-### FAQ 6.8: What is the purpose of the .top, .year and .path files?
+### FAQ 6.8: What is the purpose of the .top, .allyear, .year and .path files?
+</div>
 </div>
 </div>
 </div>
 </div>
 
-The [.top](.top) file resides at the top directory.  This file contains the complete list
+The [.top](%%REPO_URL%%/.top) file resides at the top directory.  This file contains the complete list
 of IOCCC years.
 
 Under each IOCCC year. one will find a `.year` file.  These files contain directory paths from the top directory,
 of the IOCCC entry directories for a given year.  For example, see the [1984/.year](%%REPO_URL%%/1984/.year) file.
 
+The [.allyear](%%REPO_URL%%/.allyear) file contains the contents of all `.year` files for all IOCCC years.
+
 Under each IOCCC entry directory, you will find a `.path` file.
 These files contain the directory path from the top directory.
 For example see [1984/anonymous/.path](%%REPO_URL%%/1984/anonymous/.path).
 
-The .top, .year and .path files are generated from the top level Makefile, by:
+The .top, .allyear, .year and .path files are generated from the top level Makefile, by:
 
 ``` <!---sh-->
     make genpath