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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.
@mttrys: if their solutions looked and behaved as yours and if they passed how happens that you did not pass?
Print the input.
These tests are the same in all languages and more than 6900 guys passed the kata.
I'm going to say there is a mistake. My solution passed and failed the same tests as you but after unlocking the solution their solutions looked and behaved the same as mine.