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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.
For n=10, Your solution returns :
Instead of :
To be more clear the pattern must be created using only unit digits of the numbers, see the examples again and understand the pattern carefully.