Another unique random.
The ideia here is pretty simple, I guess..
Im gonna randomize a number multiple times and the number CANT repeat once on a sequence but it CAN repeat after another number was randomized.
Ex :
Wrong : 0 5 2 2 3 4 1
Right : 0 5 2 3 2 4 1
Maybe the question is a bit confusing, but I hope you understand.
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