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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.
yeah there are no mentions about triangle edges but decription has two examples that in my opinion is enough to understand what to do.
fixed, you will never get one point because the smallest triangle will have edge of one unit or three points