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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.
Duplicate
Please enable
Node 12.x
and set that as default. There's no good reason for new kata to use obsolescent versions.No fixed tests with letters only.
Random tests never generate strings with
9
's.50 random tests is too low.