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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 would like to know the answer as well. Looking at these comments it looks like 1-9 but solutions that can return 10 are accepted and description suggests 1-10
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution