Hello,
I need help with a formula to print on the screen the numbers ranging from 1-70, but the ones that haven't showed up in 2,3 or more sets of 20 numbers(rows of 20 numbers, harvested from some website which.
How can that be done? I'm not a total computer noob, but this thing is driving me crazy!
I'd be really thankful for helping me out.
Cheers!
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