Fix heading level of 'Try' section

It was agreed to be '## Try:' but there were many files where it was
'### Try:'. This has been corrected.

2005/aidan/README.md

@@ -20,7 +20,7 @@ code](#alternate-code).
 where `seed` is a number.
 
 
-### Try:
+## Try:
 
 ```sh
 ./try.sh

2005/anon/README.md

@@ -33,7 +33,7 @@ For more detailed information see [2005 anon in bugs.md](/bugs.md#2005-anon).
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./anon 4 4

2005/boutines/README.md

@@ -18,7 +18,7 @@ ruby -e '20.times{puts "#{rand} #{rand}"}' | ./boutines > test.svg
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./boutines < input.txt > result.svg

2005/giljade/README.md

@@ -26,7 +26,7 @@ For more detailed information see [2005 giljade in bugs.md](/bugs.md#2005-giljad
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./giljade > out

2005/klausler/README.md

@@ -12,7 +12,7 @@ make
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./try.sh

2005/mikeash/README.md

@@ -26,7 +26,7 @@ NOTE: the author stated that they tested this under i386 machines but this works
 under 64-bit (x86_64, arm64) machines too.
 
 
-### Try:
+## Try:
 
 ```sh
 ./try.sh

2005/mynx/README.md

@@ -29,7 +29,7 @@ You can specify a port by appending to the domain `:port`. See notes below on
 the issue of https.
 
 
-### Try:
+## Try:
 
 ```sh
 ./mynx http://www.textfiles.com

2005/persano/README.md

@@ -15,7 +15,7 @@ setting binary mode on `stdout`. See [alternate code](#alternate-code) below.
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./persano 3 16 > knot3-16.gif

2005/sykes/README.md

@@ -23,7 +23,7 @@ For more detailed information see [2005 sykes in bugs.md](/bugs.md#2005-sykes).
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./try.sh

2005/timwi/README.md

@@ -12,7 +12,7 @@ make
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 (echo "20 : ,-->+.>+.<<[>[>>+>+<<<-]>[>>+>+<<<-]>"; echo "[<+>-]>[<<<+>>>-]>[-]<<<<.<-]") | ./timwi

2005/toledo/README.md

@@ -12,7 +12,7 @@ make
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./toledo a

2005/vik/README.md

@@ -12,7 +12,7 @@ make
 ```
 
 
-### Try:
+## Try:
 
 ```sh
 ./vik maze.map

2005/vince/README.md

@@ -15,7 +15,7 @@ make
 ```
 
 
-### Try:
+## Try:
 
 When running this in the program's window try hitting space a few times and see
 what happens!