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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.
It stands for temporary.
Yeah, it's a bit annoying in this particular case. @jy1138 copy and pasted my solution and submitted it. >.>
I agree B1ts. The author could have made this more explicit to avoid confusion
The string itself doesn't need to be sorted, which is sort of implied by the examples, but should be stated more clearly IMO.
abdisn't consecutive, becausecis clearly missing.