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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.
You could have used
console.logyourself.I've solved it in several languages including JS, and all tests are correct. Plus Chrono's screenshort clearly shows that your "proof" is fake.
Are you sure?