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IMO this would be more enjoyable if the shapes were more different morphologically, and fewer (ideally no) close pairs which differ only in the length of a segment by a single block.

After the first couple of wrong guesses (though I'm pretty sure one guess was correct - could be the bug https://news.ycombinator.com/item?id=30408567) I started to count segment lengths rather than relying on mental shape rotation.

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I don’t think it’s a bug. I resorted to some guessing because I saw shapes that were similar but different only by length. But the view was obscured so I couldn’t count the blocks.

Using less strength in your solving algo is a peak shape rotator skill. It’s yet another kobyashi Maru incident.

IIRC Kobyashi maru incident involves a no-win situation where you change the rules of the game to create a winning situation. How are we looking at a Kobyashi maru incident here? Can you explain?

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

Wow! Nice way to look at it. Appreciate the explanation.

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