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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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The code is amazing, but for a normal person that don't understand anything about programming is really imposible to read it
What happened with this case ?
[1,3], [[0],8] returns true instead of false.