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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.
a is repeated two times,
aaa
andaaaa
the longest consecutive repetition has 4a
s and that's what the kata expects you to return.Not a kata issue, there's no typo.
500 other people solved it in C# so I don't think this is a kata issue.
note: not a suggestion, a question.
this might help.
Cheers