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Can you place twelve mines on a Minesweeper grid such that they create twelve 4s? The size of the grid can be arbitrary. The mines may create numbers other than 4s, but those are irrelevant.

Good luck!

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How about (horrible ascii depiction):

..*..*..
.444444.
********
.444444.
..*..*..

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  • $\begingroup$ That's correct! Well done. $\endgroup$ – Dmitry Kamenetsky Sep 17 at 9:15
  • $\begingroup$ Nice, couldn't figure it out myself. $\endgroup$ – npkllr Sep 17 at 10:09
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The answer to this question and its generalizations (more mines in larger grids) can be found in my sequence here:

https://oeis.org/A302928

The actual solutions are here:

https://oeis.org/A302928/a302928.txt

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