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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.
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This means your function returned 561 but the correct answer was 362, for some number (in this case 73567465519280238573). Your code failed on other inputs, it is incorrect.