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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.
Yep, they should fix it so it doesn't work
closing then ;-)
can you provide more details ? what is the input, what is the expected answer, what is the answer which you think is correct ?