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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.
I also feel that the Random test cases should be printed. Its hard to tell whats going wrong in those test cases without looking at the data being used.
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