Move 1988-2004 entries into subdirs

We we move 1988-2004 entries from all of a year's winning entries
in a single directory to each winner being in their own sub-directory
under the given year directory.

1991/brnstnd/sorta.ifact3

@@ -0,0 +1,3 @@
+[1+D2s*#`ld1s]:f       [ given (n-1)! (n-1), print n!, put n! n ]
+[2s1=f2s1_+D0>=x]:x    [ given n n! x, print (n+1)! through (n+x)! ]
+0 1 10 1=x