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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.
Description must contain a rule about a boards where any move will be fail.
Wasted so many attempts to know that function must return any free point (not -1, null, false or undefined).