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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Added random test cases. See if your solution still works.
I was hoping to play around with a few hair brain ideas I had about odd calcuations you could do to the board knowing full and well that they wouldn't work in the end. And than I passed all the tests... :( I guess this means I cheated... but I wasn't really trying to so I'm going to call this an issue.