<<if [$number] is unique, use it as the key:>>

Yeah, I'd thought of that except there's no guarantee
that it will be unique.

Plus, it makes it harder to go through with a simple
loop because $number really isn't guaranteed to be
numeric (okay, so I have to change the name). Plus, it
may not even start from 0, For instance, it doesn't
have to be from 1-10, it could be from 75-85.

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