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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.
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Ah. A fatal flaw... you may have to write a new kata to fix it, unfortunately. Unless you can get hold of someone on the CW team. They're about. Somewhere... They should be able to discuss the situation and unlock it if necessary.
I was just trying to add some more tests but have an information that "Test cases can no longer be edited for this kata". Sorry
exactly ! expect(powerOf4(20), false) should be included in tests