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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.
"In one jug" does not mean "in one move". Also, the so called correct answer
[3, 4]is only the last move of a series of moves. This is NOT an issue with the kata.We need to see your code to know why it fails.