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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.
This is not an issue, it's a suggestion...
I guess it's more easy to understand if the title were 'next closest number with the same digits'.
I got confused about the number 2017, the closest bigger numer is 2071 and not 2710 because this will the next bigger for 2071.
thanks
This is not a 4kyu, too easy for this level, put it to 7kyu.
not a 5kyu