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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.
You need to count how many squares / blocks you are going to walk. Therefore, the matrix must have exactly 10 values.
The second point is that when you go, you need to go back, so if you walk in one direction, you need to go back the same number of times.