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.
The solution is correct.
I've updated the descriptions to better indicate how to start folding the array.
Frankly speaking, I don't know how to edit comment as an issue...
Maybe mark this as Issue, so that everybody can see before submitting code that sth is wrong with kata...