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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.
Seeing your solution: Simple is not easy. Chapeau!
Ok now i know how stupid i am
i wonder why you know this trick, i feel there are many weird terms of math linear
great solution