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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.
Extra E aside does anyone know why the expected result is different?
Input WEAREDISCOVEREDFLEEATONCE rails = 2.
Expected was WADCEFACTLROIREESVEEOENED but my result was WAEICRLTEEOSDREEICVDEOAFE
Manually working this out also gave me