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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.
Thought the same thing.
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was something I checked for before submitting, as I assumed it would have been tested given the need to eliminate leading zeros.This comment is hidden because it contains spoiler information about the solution