enter image description here

Unfortunately, this image is too big for me to provide a transcription.


Refer to title.


1 Answer 1


The answer is

your username, SNY,


if you "fold" (reflect) all the cells across the middle square in the image, then do the same thing in the other direction, you get the following:
where each square has been colored according to where it came from (gray = original, purple = horizontal flip, red = vertical flip, yellow = horizontal+vertical flip).

  • $\begingroup$ oooh that's clever! $\endgroup$ Jan 30 at 14:36

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