Results for N = 8, Diameter = 9     [Back to List of Problem Classes]

using a Snake Viewer written by Markus Sigg

L=337 found by Hugo Pfoertner 2016 Feb 5
L=328 found by Hermann Jurksch 2014 Feb 22 (symmetric)
L=327 found by Hugo Pfoertner 2012 May 18 (symmetric)
L=324 found by Markus Sigg 2009 Jun 6
L=324 found by Markus Sigg 2009 Jun 6
L=324 found by Markus Sigg 2009 Jun 6
L=322 found by Hugo Pfoertner and Markus Sigg 2008 May 24 (symmetric)
L=322 found by Hugo Pfoertner and Markus Sigg 2008 Jun 6 (symmetric)
L=319 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Jan 24 (symmetric)
L=319 found by Hugo Pfoertner and Markus Sigg 2008 Sep 25 (symmetric)
L=319 found by Hugo Pfoertner and Markus Sigg 2008 Sep 25 (symmetric)
L=318 found by Hugo Pfoertner and Markus Sigg 2008 May 20 (symmetric)
L=318 found by Hugo Pfoertner and Markus Sigg 2008 May 20 (symmetric)
L=318 found by Hugo Pfoertner and Markus Sigg 2008 May 20 (symmetric)
L=315 found by Hugo Pfoertner and Markus Sigg 2008 May 25 (symmetric)
L=315 found by Hugo Pfoertner 2011 Jan 9
L=315 found by Hugo Pfoertner 2012 May 15
L=313 found by Hugo Pfoertner 2012 May 11
L=312 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2006 Dec 23 (symmetric)
L=312 found by Hugo Pfoertner 2011 Dec 29
L=311 found by Hugo Pfoertner and Markus Sigg 2008 May 18 (symmetric)
L=311 found by Hugo Pfoertner 2011 Dec 29
L=310 found by Michael van Fondern 2006 Nov 17 17:40:53
L=310 found by Hugo Pfoertner and Markus Sigg 2008 Apr 30 (symmetric)
L=310 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 24
L=309 found by Michael van Fondern 2006 Nov 4 07:31:18
L=309 found by Markus Sigg and Hugo Pfoertner 2008 Apr 24 (symmetric)
L=309 found by Hugo Pfoertner and Markus Sigg 2008 Apr 30 (symmetric)
L=308 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 18
L=308 found by Hugo Pfoertner and Markus Sigg 2008 May 31
L=307 found by Michael van Fondern 2006 Oct 15 20:46:41
L=307 found by Hugo Pfoertner and Markus Sigg 2008 Apr 30 (symmetric)
L=307 found by Hugo Pfoertner and Markus Sigg 2008 May 17 (symmetric)
L=306 found by Vadim Trofimov 2006 Sep 10 14:05:48 (symmetric)
L=306 found by Hugo Pfoertner and Markus Sigg 2008 May 22
L=305 found by Mark Beyleveld 2006 Sep 3 23:06:12
L=304 found by Michael van Fondern 2006 Sep 27 16:49:25
L=302 found by Michael van Fondern 2006 Sep 27 05:34:52
L=302 found by Fred Mellender 2006 Nov 18 16:42:56
L=302 found by Hugo Pfoertner and Markus Sigg 2008 Apr 30 (symmetric)
L=298 found by Mark Beyleveld 2006 Sep 3 19:46:53
L=297 found by Fred Mellender 2006 Oct 5 18:34:28
L=294 found by Vadim Trofimov 2006 Sep 2 19:06:34 (symmetric)
L=294 found by Hugo Pfoertner and Markus Sigg 2008 May 25 (symmetric)
L=293 found by Fred Mellender 2006 Sep 24 21:53:54
L=292 found by Hugo Pfoertner and Markus Sigg 2008 May 25 (symmetric)
L=292 found by Hugo Pfoertner and Markus Sigg 2008 May 25 (symmetric)
L=291 found by Mark Beyleveld 2006 Sep 3 17:40:58
L=291 found by Fred Mellender 2006 Sep 21 15:52:32
L=290 found by Fred Mellender 2006 Sep 16 18:05:36
L=289 found by Mark Beyleveld 2006 Aug 22 00:15:44
L=288 found by Fred Mellender 2006 Sep 2 18:52:24
L=285 found by Hugo Pfoertner and Markus Sigg 2008 Mar 4 (symmetric)
L=281 found by Fred Mellender 2006 Sep 2 18:59:47
L=277 found by Honza Stola 2006 Sep 8 08:36:01 (symmetric)
L=274 found by Michael van Fondern 2006 Sep 25 05:42:56
L=272 found by Michael van Fondern 2006 Sep 23 16:16:58
L=271 found by Markus Sigg 2006 Oct 31 23:53:29 (symmetric)
L=269 found by Yirmy Yasovsky 2006 Oct 16 21:47:49
L=268 found by Markus Sigg 2006 Oct 20 20:00:07 (symmetric)
L=268 found by Moritz Franckenstein 2006 Oct 22 20:25:52
L=265 found by Yirmy Yasovsky 2006 Sep 29 22:08:21
L=265 found by Moritz Franckenstein 2006 Oct 12 08:07:38
L=265 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Nov 15 14:16:20
L=264 found by Hermann Jurksch 2012 Aug 30 (closed)
L=263 found by Moritz Franckenstein 2006 Oct 12 06:14:32
L=262 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Nov 14 14:34:09
L=261 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Nov 13 21:02:24
L=260 found by Michael van Fondern 2006 Sep 23 07:07:28
L=259 found by James J Youlton Jr 2006 Sep 3 02:12:29
L=259 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Nov 13 20:30:11
L=257 found by Michael van Fondern 2006 Sep 22 20:06:22
L=256 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Nov 13 16:10:24
L=254 found by Yirmy Yasovsky 2006 Sep 23 20:03:10
L=252 found by Moritz Franckenstein 2006 Oct 11 22:06:11
L=251 found by Markus Sigg 2006 Oct 20 16:34:53 (symmetric)
L=250 found by Daumilas Ardickas 2006 Sep 5 11:33:07
L=250 found by Honza Stola 2006 Sep 7 08:56:32 (symmetric)
L=250 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Sep 26 17:24:05
L=247 found by Joshua Zucker 2006 Oct 2 21:15:07
L=247 found by Juha Saukkola 2006 Nov 14 09:58:14
L=246 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Sep 26 17:20:42
L=244 found by Joshua Zucker 2006 Oct 2 20:38:27
L=242 found by Boris von Loesch 2006 Nov 17 17:10:19
L=241 found by Joshua Zucker 2006 Oct 2 20:31:47
L=240 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Sep 25 16:38:57
L=236 found by Moritz Franckenstein 2006 Sep 23 19:58:36
L=235 found by Ivan Kazmenko 2006 Sep 23 21:43:51 (symmetric)
L=234 found by Joshua Zucker 2006 Oct 2 20:08:07
L=233 found by Moritz Franckenstein 2006 Sep 3 10:39:47
L=232 found by Joshua Zucker 2006 Oct 2 20:06:54
L=232 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2006 Nov 6 18:57:42
L=231 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Sep 11 11:59:05
L=231 found by Ivan Kazmenko 2006 Sep 27 23:35:21 (symmetric)
L=230 found by James J Youlton Jr 2006 Aug 22 18:52:56
L=228 found by Joshua Zucker 2006 Sep 8 01:16:16
L=227 found by Joshua Zucker 2006 Sep 3 14:50:38
L=225 found by Markus Sigg 2006 Sep 6 13:23:45 (symmetric)
L=225 found by Ivan Kazmenko 2006 Sep 23 21:43:19 (symmetric)
L=224 found by Olivier Buffet & Dmitry Kamenetsky 2006 Aug 26 07:17:27
L=224 found by Kevin Burfitt 2006 Sep 4 09:06:45
L=222 found by Olivier Buffet & Dmitry Kamenetsky 2006 Aug 26 06:44:13
L=222 found by Kevin Burfitt 2006 Sep 2 22:49:41
L=221 found by Yirmy Yasovsky 2006 Sep 23 13:44:23
L=220 found by Michael van Fondern 2006 Sep 22 15:00:00
L=218 found by Olivier Buffet & Dmitry Kamenetsky 2006 Aug 26 06:31:15
L=218 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Sep 3 09:35:11
L=218 found by Yirmy Yasovsky 2006 Sep 6 22:02:27
L=218 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2006 Sep 21 09:47:53
L=217 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2006 Sep 14 16:25:18
L=217 found by Michael Collier 2006 Nov 9 23:25:08
L=215 found by Ivan Kazmenko 2006 Sep 8 22:00:19 (symmetric)
L=213 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Aug 30 05:03:11
L=212 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Aug 21 10:42:18
L=210 found by Yirmy Yasovsky 2006 Aug 21 20:48:48
L=210 found by Michael van Fondern 2006 Sep 20 05:52:47
L=209 found by Fred Mellender 2006 Aug 22 02:20:33
L=206 found by Markus Sigg 2006 Aug 20 19:04:49
L=206 found by Steve Trevorrow Oct 7 07:51:06 (same as 2006 Aug 20 19:04:49)
L=205 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2006 Aug 21 07:16:44
L=205 found by James Buddenhagen 2006 Sep 2 23:22:47
L=202 found by Hermann Jurksch 2012 Aug 21 (closed)
L=201 found by Vadim Trofimov 2006 Aug 26 11:39:08
L=201 found by Kevin Burfitt 2006 Aug 28 08:01:39
L=200 found by Mark Gordon 2006 Sep 10 19:15:08
L=199 found by Joshua Zucker 2006 Aug 27 05:26:28
L=199 found by Joshua Zucker 2006 Aug 27 05:27:57
L=198 found by Michael Collier 2006 Nov 9 15:23:17
L=197 found by Michael van Fondern 2006 Sep 17 11:18:03
L=193 found by QfwfQ 2006 Nov 13 17:10:11
L=192 found by Hermann Jurksch 2012 Jul 6 (closed) (symmetric)
L=191 found by Kevin Burfitt 2006 Aug 23 23:30:20
L=190 found by James J Youlton Jr 2006 Aug 22 14:54:47
L=190 found by Michael van Fondern 2006 Sep 16 07:14:47
L=189 found by Juha Saukkola 2006 Oct 26 07:33:36
L=188 found by James J Youlton Jr 2006 Aug 22 13:07:31
L=184 found by Kevin Burfitt 2006 Aug 23 13:39:48
L=181 found by Jesse Kolman 2006 Nov 20 05:25:56
L=180 found by Honza Stola 2006 Aug 30 18:54:59
L=179 found by Michael J Gayle 2006 Nov 21 04:04:44
L=177 found by Michael van Fondern 2006 Sep 15 18:45:10
L=176 found by QfwfQ 2006 Oct 5 09:17:35
L=173 found by Mark Gordon 2006 Sep 9 06:21:11
L=173 found by Michael van Fondern 2006 Sep 14 18:40:13
L=173 found by Juergen Winterberg 2006 Nov 8 22:35:15
L=170 found by Mark Gordon 2006 Sep 9 04:23:44
L=169 found by Sebastian Mingramm 2006 Sep 8 22:19:28
L=160 found by G.R.A.20 Problem Solving 2006 Sep 4 15:09:10
L=159 found by QfwfQ 2006 Sep 27 09:15:46
L=157 found by Olivier Buffet & Dmitry Kamenetsky 2006 Aug 23 23:43:05
L=157 found by Vadim Trofimov 2006 Aug 24 17:10:23 (same as Aug 23 23:43:05)
L=157 found by G.R.A.20 Problem Solving 2006 Sep 2 14:50:44
L=157 found by Mike White Nov 18 16:56:13 (same as 2006 Aug 23 23:43:05)
L=156 found by QfwfQ 2006 Sep 20 08:33:53
L=156 found by Juergen Winterberg 2006 Nov 8 22:21:00
L=156 found by Jesse Kolman 2006 Nov 9 23:32:57
L=152 found by Steve Trevorrow 2006 Oct 6 23:27:53
L=151 found by Henry Song 2006 Sep 25 19:35:36
L=150 found by Mark Mammel 2006 Aug 22 12:36:37
L=149 found by Ivan Kazmenko 2006 Sep 24 23:39:24 (symmetric)
L=148 found by G.R.A.20 Problem Solving 2006 Aug 30 17:27:35
L=147 found by Mark Mammel 2006 Aug 21 15:13:43
L=147 found by Tobias Baumann 2006 Nov 16 16:12:26
L=145 found by Moritz Franckenstein 2006 Aug 29 17:01:07
L=144 found by Alexander Fischer 2006 Sep 20 09:57:54
L=144 found by Tobias Baumann 2006 Nov 16 09:21:23
L=144 found by Mike White 2006 Nov 17 23:25:26 (same as Nov 16 09:21:23)
L=143 found by Daumilas Ardickas 2006 Aug 24 20:02:56
L=143 found by Moritz Franckenstein 2006 Aug 29 16:52:10
L=143 found by Gregor Heitkamp 2006 Sep 21 20:45:23
L=143 found by Juergen Winterberg 2006 Oct 29 17:41:03
L=142 found by Sebastian Mingramm 2006 Sep 5 08:11:48
L=139 found by Evgeni Lukin 2006 Oct 25 13:56:10
L=138 found by Sebastian Mingramm 2006 Sep 8 21:59:01
L=137 found by Frank Buss 2006 Sep 3 15:35:05
L=137 found by Jesse Kolman 2006 Nov 6 06:07:31
L=137 found by Brian Adams Nov 7 22:32:05 (same as 2006 Sep 3 15:35:05)
L=137 found by Mike White Nov 17 21:23:49 (same as 2006 Sep 3 15:35:05)
L=136 found by Moritz Franckenstein 2006 Aug 26 21:49:51
L=136 found by Juha Saukkola 2006 Aug 27 09:30:09
L=136 found by Tobias Baumann 2006 Nov 14 08:50:43
L=136 found by Mike White 2006 Nov 17 09:00:08 (same as Nov 14 08:50:43)
L=135 found by Sabur Zaheed (AIUB) 2006 Aug 21 17:14:23
L=135 found by Polegenko Vladimir 2006 Nov 7 13:50:53
L=132 found by Frank Buss 2006 Aug 24 14:11:08
L=129 found by Sabur Zaheed (AIUB) 2006 Aug 21 20:19:11
L=129 found by Jesse Kolman 2006 Nov 13 01:22:53
L=128 found by Joshua Zucker 2006 Aug 27 03:44:04
L=127 found by Jesse Kolman 2006 Nov 13 01:23:02
L=126 found by Sabur Zaheed (AIUB) 2006 Aug 21 20:20:16
L=124 found by Brad Smith 2006 Oct 29 01:25:36
L=124 found by Jesse Kolman 2006 Nov 15 01:05:17
L=123 found by Brad Smith 2006 Oct 15 22:02:56
L=123 found by Jesse Kolman 2006 Nov 13 01:22:12
L=122 found by G.R.A.20 Problem Solving 2006 Aug 29 15:31:33
L=119 found by Jesse Kolman 2006 Nov 13 01:17:50
L=117 found by Sabur Zaheed (AIUB) 2006 Aug 21 20:21:20
L=116 found by Joshua Zucker 2006 Aug 27 03:43:07
L=115 found by Fironov Sergey 2006 Sep 3 14:17:32
L=113 found by Juha Saukkola 2006 Aug 24 12:36:07
L=109 found by Jesse Kolman 2006 Nov 13 01:21:46
L=107 found by Jesse Kolman 2006 Nov 13 01:18:51
L=103 found by Hyung-Sul Kim 2006 Oct 29 06:58:56
L=102 found by Juha Saukkola 2006 Aug 24 12:33:46
L=101 found by Sabur Zaheed (AIUB) 2006 Aug 21 15:19:37
L= 98 found by Henry Song 2006 Sep 17 16:42:10
L= 95 found by Olivier Buffet & Dmitry Kamenetsky 2006 Aug 23 00:01:33
L= 90 found by David Rendo Rodriguez 2006 Sep 27 07:01:28
L= 86 found by David Rendo Rodriguez 2006 Sep 26 14:02:34
L= 83 found by David Rendo Rodriguez 2006 Sep 11 08:30:55
L= 82 found by Jesse Kolman 2006 Nov 21 04:05:24
L= 81 found by Gregor Heitkamp 2006 Sep 11 23:09:11
L= 78 found by Fironov Sergey 2006 Sep 3 13:24:01
L= 53 found by Ivan Kazmenko 2006 Sep 13 13:53:19
L= 51 found by Magnus Jansson 2006 Aug 28 12:43:07
L= 50 found by David Rendo Rodriguez 2006 Sep 8 08:50:23
L= 34 found by Jesse Kolman 2006 Nov 21 01:48:37
L= 31 found by Jesse Kolman 2006 Nov 21 01:48:14
L= 30 found by Jesse Kolman 2006 Nov 21 01:48:01 (symmetric)
L= 26 found by Jesse Kolman 2006 Nov 21 01:50:34
L= 26 found by Jesse Kolman 2006 Nov 21 01:50:39
L= 9 found by Magnus Jansson 2006 Aug 24 16:58:04 (symmetric)
L= 9 found by Brad Smith Sep 25 22:28:47 (symmetric) (same as 2006 Aug 24 16:58:04)
L= 9 found by test Oct 24 11:40:10 (symmetric) (same as 2006 Aug 24 16:58:04)