2013-11-25 04:07:29.201674+01 by Dan Lyke 0 comments
Rubik's Cube has been provably solved in 20 moves or less for all positions:
With about 35 CPU-years of idle computer time donated by Google, a team of researchers has essentially solved every position of the Rubik's Cube™, and shown that no position requires more than twenty moves. We consider any twist of any face to be one move (this is known as the half-turn metric.)
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