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I think doing that Norm will work but it will change the foundation of my program too much. I think I may have worked it out otherwise, but thanks for your help!

Hi guys, hopefully this is an easy one for you.

Given a grid of nxn squares, where each square has an id, the first(top left) square has id 0 (so a 5x5 grid will have ids 0-24) like below:
1102
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