toptic2

A figure showing which grid squares are adjacent on a Möbius strip board. For example, if you go one place right from the top-right square 3, you will go to the bottom-left square 7.

Matthew is a research software engineer (RSE) in the Advanced Research Computing Centre (ARC) at University College London (UCL). His hobbies include pretending to be called Humbug (H).

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