I have coded up one pass solution in ruby, check it out! https://gist.github.com/pencilcheck/7252934 https://gist.github.com/pencilcheck/7252934 A lot of solu

I have coded up one pass solution in ruby, check it out! https://gist.github.com/pencilcheck/7252934 https://gist.github.com/pencilcheck/7252934 A lot of solutions here doesn’t seem to take account of multiple puddles, my solution does take that into account.