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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.
False is a correct answer in this case. North and west aren't opposite directions. In case [ 'n', 'w', 'n', 'w', 'n', 'w', 'n', 'w', 'n', 'w' ] you will not return to the start point.