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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.
Hello, I pass all test except 65 hidden one, I don't really know how to find my error without knowing what went wrong. I didn't use regex, I use a permutation method where it's return false when at least one element of the permutation is in the password.
Thanks!