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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.
Nevermind: "There are always enough spaces for nuts to fall between branches"
This is similar to my solution, but I don't think modifying the nuts array in place works. What if the tree contains consecutive "\" on one level? The way I it, the nuts will be pushed to the right more than expected. Is there a way to add unit tests for all solutions?