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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.
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I've updated the description. Was this too difficult for a kata? Should I reduce the number of attempts required to pass? Should I give better hints so that the various algorithms for this puzzle can be found online easier?