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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.
Fixed the description. It was language agnostic.
+1. Submission timed out. Please try again. For many a long time =(
If the missing at the end or the beginning, there may be two correct answers. The difference can be computing, but in what direction to increase the set of tasks is not clear. It would be better to describe this moment to description.
Bad code style! In description use unique_in_order(), but on kata uniqueInOrder.