Correct Link for [0] is http://www.go-hero.net/jam/13/solutions/0/3/Ruby http://www.go-hero.net/jam/13/solutions/0/3/Ruby And the most difficult version (L2)

Correct Link for [0] is http://www.go-hero.net/jam/13/solutions/0/3/Ruby http://www.go-hero.net/jam/13/solutions/0/3/Ruby And the most difficult version (L2) was solved by 19 contestants.