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Re:Show HN: Test your shape rotation skills by _3u10 on Monday February 21, 2022 @09:57AM (#30416539)
Shape rotation is often used as a proxy for G.

The shapes generally progress in difficulty until they are deemed “impossible” for any human shape rotator to figure out.

If you reduce the problem to counting instead of shape rotation (3D matrix multiplication) many humans can “shape rotate” to impossibly high levels of IQ

Re:Show HN: Test your shape rotation skills by emschlr on Wednesday February 23, 2022 @03:38AM (#30439021)
Wow! Nice way to look at it. Appreciate the explanation.