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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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Clever solution
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Holy Smokes that's clever
short, but kinda brute force-ish
half the len of the array is sufficient for processing.
the sum of the differences of 7 and 1, dude :-)
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