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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.
moOse is the only string with 1 matching upper and lowercase letter--you have to disregard case.
Kinda takes all the fun out of it when everyone uses built-in method for binary conversion...