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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.
He asks to give the "next" bigger integer, according to this example, after 2017 (using the same numbers we have) the next bigger integer is 2071 which we get by changing the last 2.
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