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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 looked up top solutions and I'm dissapointed in how hard it was in my eyes and how easy that cata actually is. Well at least I learned about bitset...
Imo implementing keypad model is the way to go here, other solutions are shorter, but I'd definetley prefer to have a fast and intuitive way to change inputs.
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