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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.
I am passing all 5 of the basic tests in C but not the random test, even though my return string matches exactly how the pattern should look. Is the random test flawed? I am guessing so based on some of the other programmers below who have attempted this in C.