Say what you want about 4Chan but they don't turn their backs on their own.
Madness string 93210
My sister collected her little treats she was not allowed to eat in a row under her bed where she would visit them and count them and admire them. She was so proud that she had the self control to not eat them.
It should either eventually crash or show you some kind of success dialog. If it's still sitting there after more than a half hour, it's probably done and you can safely kill it.