f(x,y) = ((-(~(x + y))) + (((y - 23) % (-x)) + ((-y) & (y * 16)))) % 3
Extent: 128x128 (scaled x4)
"Onebit" colouring scheme.
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RE: https://freeradical.zone/@bitartbot/115555145347282912
this one would make a superfine keffiyeh