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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.
Actually fastests solution!! LOL
finally solved it... thank or the kata!!
same here. From my point of view there is always a solution. Can't figure out the case when "positive integer num has not been correctly chosen"