Watersheds solutions

Watersheds was solved using Lisp by 4 contestants. Solution sizes: average 3716 bytes (shortest: 2721; longest: 4746).

322.

k.kojima (S, L) (2721 B)
1009.

manzyuk (S, L)
2184.

insertsomethingwitty (S, L) (4746 B)
4824.

aslone (S) (3648 B)