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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.
Requirements changed due to bug report so please return
<0instead of<1. To compensate I've addeded a pretty interesting solution hope you can find it amusing.It was quite fun to do the Kata opened an interesting set of variations of the algorithm with curious results :). List use can be definetely improved but this was not only about efficiency :)