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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 can say how many people solved it but that number doesn't say nothing to me, it's a futile data because what you have to look is the percentage. It's not the same 10000 people solved it over 100000 that 9999 passed it over 10000.
Nothing strange for 145,619 people who passed the kata.
this kata is strange, no any information about sorting in description
sorry, i have missed this info in description
no working with empty arr