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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.
Yea, im not sure I follow this kata. The description says one thing, the tests say otherwise. How can it expect a return value 1 when it explicitely says No oddities
server has been down I'm assuming. keep up posted on some updates