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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.
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With my draft solution, I have decoded "105860ymmgegeeiwaigsqkcaeguicc" getting "lmmgegeeijaigfdkcaeghicc".
The basic test result expects "Impossible to decode", but when I encode "lmmgegeeijaigfdkcaeghicc" I get exactly "105860ymmgegeeiwaigsqkcaeguicc".
Does anybody see the same situation?
That's true, I just re-used code I already wrote for other arithmetic katas, such as division with remainder, multiplication and square root of large integers.
Then I copied and pasted, and I used the multiplication routine.
Awkward code indeed, but it worked.