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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.
Indeed, a very satisfying kata when completed ! I'm new to Kotlin, it's so powerful.
If that may help anyone, it took me about 5 minutes of googling to get a slight hint, and I tried a bit, and... voilà
For your first example, no, these arrays shouldn't be equal. Maybe it's not clear enough, but as I understood it, instructions should be followed in the order they are given. So if EAST comes before NORTH, then you should output ['EAST','NORTH'].