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It does, bobbycollins. The word “collectively” in the preamble is well-chosen to indicate that. As for N, the reference is slightly oblique. An equation, if you will. Along the lines of three score years plus ten.

If that last idea seems unpromising, you might do better to think about punishments

Thank you, quisling - I shall ponder.

Bobby, I forgot to mention that the second paragraph of Nansen’s post @4 might help. N is represented figuratively in the final grid