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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.
This is lacking. The second parameter, 'wager', appears to be the # of handshake cards, but 'wager' isn't even in the description.
It seems I really can't understand this description.
how can ([2, 3, 4, 6, 7, 10], 0) be 12?, sum of array is 32, 0 played so no -20?