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Answer by Jens for A flag-packing problem
I think I have the answer:The first step is to determine the color of the square numbers.Next, let us try theAgain, the flag could be inKnowing this, we getA few moreWhen you now considerBelow the...
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Image may be NSFW.
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A flag-packing problem
An entry in Fortnightly Topic Challenge #45: FlagsYou are provided with a 9x9 grid of squares and 21 minimalistic flags (pictured below, all shown to scale).TASK: Assign a colour (Black, Blue, Green,...
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