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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.
Make sure that there is a whitespace. It's "' '{3}" not "{3}". :)
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The two means that you are reserving two places for the value you are passing and the zero means that the places should be filled with zero if your value doesn't need that extra space.
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