[next] [prev] [up] Date: Sun, 30 Jan 83 00:40:00 -0500 (EST)
[next] [prev] [up] From: Alan Bawden <ALAN@MIT-MC >
[next] [prev] [up] Subject: The shortest sequence of moves.

The maximum number of moves (qtw) from solved is certainly not 17 or 19.
All we know about that number is that it is greater than or equal to 21.
It could be even larger. There is a fair amount of sentiment that it is
probably around 28, but that's just intuition.

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