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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.
In my case, I oriented to just such output
'Bart'for a single name. And I got a valid result.There are absent submitted solutions in the "Solutions" block of some katas.
It is explained (according to the support) by known issue for old kata with many solutions
https://github.com/codewars/codewars.com/issues/2263#issuecomment-719997658