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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.
According to Google Translate, in English this is: "Super kata! I felt like a real explorer. Only after I solved this kata did I really feel what matrices are! Thank you from the bottom of my heart! More katas like this!"
Thank you very much - your comment is greatly appreciated!
You might like this one: Euler Squares
Appreciate it.