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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.
toBinarySolutionin example tests doesn't work(In fact,If it works, the user can directly copy your solution). So the proposal is to paste the square directly up ;-)Totally unclear how to generate the binary.
Also, no Example Tests.