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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.
Thanks, I noticed this comment and resolved my first 6kyo kata !
Ladys and gentelments, allow me to present. The crappiest code you've ever seen(but it works).
This is mathematic task. Not programming
I spent two days to resolve this kata. This is not 8kyu if code it on JS. This is just opinion