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Twelve Apples
on 6 Oct 2022
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m=7; n=9;
chkr = true([m,n]);
chkr(1:2:end,1:2:end) = false;
chkr(2:2:end,2:2:end) = false;
imagesc(chkr)
axis([ 0 11 0 11])
axis off
colormap(prism)