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.
Which test cases? The hidden ones? They include a simple solution for random checks. The example test cases? In this case you should probably add a note how they reveal an answer.