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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.
With latest JS version, you can see every assertion as a standalone block, displaying the given input.
OP solved it, closing
What did it for me was looking up an algorithm to do this. It exists. It's not something that just comes naturally to the mind of a non-mathlete. Oh and uh you don't need to sort anything. It looks like you are on the right track though.