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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.
@donaldsebleung I didn't know about that - thanx for explanation
I think complexity must be equal to "8 kyu"
@petegarvin1 Maybe it would good idea to provide list of vowels in description? Task is not about English grammar