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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.
This is much cleaner than mine! How does this fibs.value and the cyclic ref part work? It seems very strange to me.
could you explain why don't you need to generate primes? I'm confused by this. my solution generates a set of primes.