From cube-lovers-errors@mc.lcs.mit.edu Thu Aug 7 15:46:48 1997 Return-Path: Received: from sun30.aic.nrl.navy.mil by mc.lcs.mit.edu (8.8.1/mc) with SMTP id PAA09383; Thu, 7 Aug 1997 15:46:47 -0400 (EDT) Precedence: bulk Errors-To: cube-lovers-errors@mc.lcs.mit.edu Mail-from: From reid@math.brown.edu Thu Aug 7 15:46:42 1997 Message-Id: <199708071943.PAA07912@life.ai.mit.edu> Date: Thu, 7 Aug 1997 15:48:49 -0400 From: michael reid To: cube-lovers@ai.mit.edu Subject: composition of superflip and pons asinorum my optimal cube solver has also found all minimal maneuvers for the composition of superflip and pons asinorum. this was previously done by jerry bryan, so the purpose here is to confirm his results. up to symmetry, there are 10 maneuvers of length 20q, which occur in 5 inverse pairs. they are U R F D R U' D L' U' D F' B2 R L' D' F' L' B' R' (20q) U R U F U F B' L' F B' R L' B' R L' U F' U' R' U' (20q) U R U F D R L' B' R L' F B' L' F B' D F' U' R' U' (20q) U R D B U R L' F' R L' F' B L' F' B U B' D' R' U' (20q) U R D B D F' B L' F' B R L' F' R L' D B' D' R' U' (20q) this agrees exactly with jerry bryan's results. mike