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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.
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It seems to me you are computing the number of climb rounds of every square, you need to do better.
I had the same problem, the way I debugged it (1 hour of work):
but you probably have already solved it now
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Unpublish this. Spoiling solutions is forbidden.
Wikipedia ftw