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.
323 = 17 * 19
323 is not a primer
Sorry there are no errors in the tests. So many guys (3411) have passed it that it would be weird if there was one error. Maybe you should read the description again.
thank you ! I knew half of them !