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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.
Thanks, I will do it.
Really fun Kata.
I think you should explain in the description that the final array must have all the lower levels of the triangle and not just the level n.