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Fri, Mar. 27th, 2009, 12:12 pm

This is the Rotacubes puzzle, a collaboration between me and Oskar van Deventer. Nobody could make out how this one worked from pictures/text descriptions, so here's a video.

Fri, Mar. 27th, 2009 08:00 pm (UTC)

Do you happen to know what proportion of the 331776 possible positions can be reached from the start position?

Fri, Mar. 27th, 2009 08:02 pm (UTC)

one half - there's a parity restriction