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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.
How to complain your solution?
I think, that you should imagine a road, and don't think about N,W,S,E as equal-dintanced paths. I think, it's something like "go w to the first turn n", or "go w to the crossroads but continue going w". The, nwse wont be the circle to the starting point.
where are you from? Kherson, Ukraine?
just 2)