Loading collection data...
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.
Ruby 3.0 should be enabled, see this to learn how to do it
JS:
This comment is hidden because it contains spoiler information about the solution
Random tests sometimes generate tests like this:
My solution would fail against test cases like this where the left/right side is clearly out of bounds. This should be separated and put into the fixed tests.
Where are the tests?