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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.
nice kata, I found the solution in 2 days
It's been weeks of thinking about how to solve it, I finally finished it.
forgot to delete the print