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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.
Description says:
For me "Original Balance" was given in the input so it was not in "your results" since there is nothing to calculate. You simply had to copy it.
Nevertheless I modified the random tests and your solution now works.