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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 dont see that mentioned in the instructions! although I agree that original list should not be changed. But it's not written in instructions
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You've changed the original list, which you should not (It was mentioned in the question).