Loading collection data...
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.
The last number of the example he gave is the position, and then find the corresponding number according to the position, and find the sum of the ten hundred thousand digits of this number
clever!