This photo was taken by my sister who gave me permission to post it. They have been in the fog for the last few days but she discovered this viewpoint over it.
BrainTwister #113: Sum chequer
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From New Scientist #3582, 14th February 2026 [link] [link] In the grids
above, shaded cells hold odd digits and unshaded cells hold even digits.
Place the ...
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1 comment:
What a magnificent photo!!! It feels really dreamy and mystical.
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