"Distance-20 positions are both rare and plentiful; they are rarer than one in a billion positions, yet there are probably more than one hundred million such positions. We do not yet know exactly how many there are."Exactly how many positions are of maximum distance from solved? And are all these symmetrical positions??
What about 2x2?On to 4x4!
Edit: This isn't serious. Not at this point in time, at least.
I wonder if God's Number for 2x2 would be 8 moves.I'm wondering if it's a coincidence how there is exactly 20 pieces (12 edges and 8 corners.) This is excluding the core but that doesn't change position.
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