From dik@cwi.nl  Mon Nov 14 17:41:11 1994
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Date: Mon, 14 Nov 1994 23:41:00 +0100
From: Dik.Winter@cwi.nl
Message-Id: <9411142241.AA02504=dik@boring.cwi.nl>
To: CRSO.Cube@canrem.com, cube-lovers@life.ai.mit.edu
Subject: Re:  <U, R> Antipode!

 > First Antipodal Process    (25 q, 20 q)
 > UR13 = U2 R1 U3 R2 U3 R2 U3 R1 U2 R3 U1 R3 U3 R1 U1 R2 U1 R3 U1 R3

 > Also....      UR13 ^ 2 = I

 > Using current techniques, this required a run of about 11 hours.

 >  It remains to be seen how the Kociemba algorithm resolves this
 > position, and I will try this next.

You mean: F2 U3 D2 L3 D3 R1 U2 B2 R1 B2 R3 D1 L1 D3 R2 U1 D3 (or rather
its inverse)?  Took Kociemba's algorithm 10 minutes.  I do not yet
know whether this is minimal.