Results for N = 9, Diameter = 7     [Back to List of Problem Classes]

using a Snake Viewer written by Markus Sigg

L=269 found by Hugo Pfoertner and Markus Sigg 2008 May 2 (symmetric)
L=269 found by Hugo Pfoertner and Markus Sigg 2008 May 2 (symmetric)
L=269 found by Hugo Pfoertner and Markus Sigg 2008 May 2 (symmetric)
L=269 found by Hermann Jurksch 2011 Jun 15 (symmetric)
L=269 found by Hugo Pfoertner 2011 Oct 3
L=269 found by Hermann Jurksch 2011 Oct 11
L=269 found by Hermann Jurksch 2011 Nov 14
L=268 found by Hugo Pfoertner 2011 Oct 3
L=260 found by Markus Sigg 2008 Apr 30
L=260 found by Hugo Pfoertner and Markus Sigg 2008 Jun 1
L=260 found by Hugo Pfoertner and Markus Sigg 2008 Jun 1
L=258 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 Mar 3
L=256 found by Hugo Pfoertner and Markus Sigg 2008 May 19
L=255 found by Hugo Pfoertner and Markus Sigg 2008 May 18
L=252 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Oct 29 14:50:40
L=251 found by Markus Sigg 2008 Jan 30 (symmetric)
L=249 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Aug 8 (symmetric)
L=247 found by Michael van Fondern Nov 13 18:52:07
L=246 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Oct 29 12:28:47
L=245 found by Vadim Trofimov Sep 2 19:08:22 (symmetric)
L=245 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Oct 29 12:12:22
L=245 found by Michael van Fondern Nov 6 21:08:45
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Mar 1 (symmetric)
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=245 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=243 found by Hugo Pfoertner 2012 May 23
L=242 found by Moritz Franckenstein Oct 31 07:52:13
L=241 found by Moritz Franckenstein Oct 30 08:16:23
L=240 found by Yirmy Yasovsky Nov 20 21:17:50
L=239 found by Michael van Fondern Nov 4 07:32:23
L=238 found by Moritz Franckenstein Sep 17 16:59:24
L=238 found by Michael van Fondern Oct 18 16:34:38
L=236 found by Yirmy Yasovsky Oct 23 21:26:41
L=236 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Oct 29 11:38:02
L=235 found by Markus Sigg Sep 9 16:59:38
L=234 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 21 19:56:13
L=233 found by Yirmy Yasovsky Sep 12 19:33:53
L=233 found by Hugo Pfoertner and Markus Sigg 2008 Apr 26 (symmetric)
L=231 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 21 07:26:19
L=231 found by Ivan Kazmenko Sep 25 22:06:47 (symmetric)
L=230 found by Moritz Franckenstein Sep 17 09:17:16
L=229 found by Mark Gordon Sep 10 06:11:21
L=229 found by Michael van Fondern Oct 16 20:21:15
L=229 found by Jesse Kolman Nov 19 06:23:44
L=225 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 20 12:21:57
L=224 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 11 09:56:10
L=224 found by Fred Mellender Sep 16 18:06:20
L=223 found by Mark Beyleveld Sep 5 20:00:16
L=222 found by Mark Beyleveld Sep 5 19:59:51
L=222 found by Michael van Fondern Oct 15 20:47:17
L=220 found by Yirmy Yasovsky Sep 11 21:07:28
L=220 found by Fred Mellender Sep 15 20:44:22
L=220 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 19 15:44:42
L=220 found by Hermann Jurksch 2012 Sep 22 (closed)
L=219 found by Michael van Fondern Sep 28 20:31:17
L=218 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 6 19:06:22
L=217 found by Vadim Trofimov Aug 26 09:47:37 (symmetric)
L=217 found by Joshua Zucker Sep 18 04:48:56
L=215 found by Mark Beyleveld Sep 5 19:14:42
L=214 found by Michael van Fondern Sep 27 16:50:10
L=213 found by Mark Beyleveld Sep 2 23:53:30
L=212 found by Mark Beyleveld Sep 2 23:53:13
L=212 found by Jesse Kolman Nov 19 06:13:00
L=211 found by Fred Mellender Sep 12 12:16:15
L=210 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 7 10:48:13
L=210 found by Hermann Jurksch 2012 Sep 14 (closed)
L=209 found by Mark Beyleveld Sep 2 23:52:08
L=209 found by Ivan Kazmenko Sep 23 21:15:54 (symmetric)
L=208 found by Mark Beyleveld Sep 2 23:51:09
L=206 found by Fred Mellender Sep 2 19:03:25
L=203 found by James Buddenhagen Sep 13 20:54:59
L=200 found by Mark Beyleveld Sep 2 23:48:12
L=200 found by Michael van Fondern Sep 27 05:35:20
L=199 found by Mark Beyleveld Sep 2 23:47:49
L=199 found by Honza Stola Sep 3 10:15:05 (symmetric)
L=197 found by Markus Sigg Sep 4 20:01:13 (symmetric)
L=196 found by Yirmy Yasovsky Sep 8 22:49:58
L=195 found by Yirmy Yasovsky Sep 5 19:45:33
L=195 found by Michael van Fondern Sep 25 17:47:54
L=194 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 6 20:47:28
L=194 found by Michael van Fondern Sep 25 05:43:24
L=191 found by Kevin Burfitt Aug 31 23:21:33
L=190 found by Mark Beyleveld Aug 22 00:49:37
L=189 found by Mark Beyleveld Aug 22 00:49:17
L=188 found by Michael van Fondern Sep 24 16:13:18
L=187 found by James J Youlton Jr Sep 1 16:37:35
L=186 found by Yirmy Yasovsky Aug 22 09:25:29
L=186 found by James J Youlton Jr Sep 1 16:06:33
L=186 found by Joshua Zucker Sep 18 04:36:41
L=186 found by Hermann Jurksch 2012 Sep 2 (closed)
L=185 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 3 09:30:21
L=184 found by Boris von Loesch Nov 15 16:51:43
L=183 found by Jesse Kolman Nov 12 07:32:15
L=183 found by Jesse Kolman Nov 12 07:33:05
L=182 found by Jesse Kolman Nov 12 07:30:52
L=181 found by Jesse Kolman Nov 12 07:30:38
L=180 found by Honza Stola Aug 30 17:54:07
L=180 found by Michael van Fondern Sep 23 16:17:28
L=180 found by Jesse Kolman Nov 12 07:25:55
L=180 found by Jesse Kolman Nov 12 07:30:10
L=180 found by Hermann Jurksch 2012 Sep 2 (closed)
L=179 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 24 12:45:27
L=179 found by Jesse Kolman Nov 12 07:25:45
L=179 found by Jesse Kolman Nov 12 07:28:24
L=178 found by Michael van Fondern Sep 22 15:00:34
L=178 found by Jesse Kolman Nov 12 07:25:30
L=178 found by Jesse Kolman Nov 12 07:26:47
L=178 found by Jesse Kolman Nov 12 07:27:55
L=177 found by Kevin Burfitt Aug 30 00:38:29
L=177 found by James Buddenhagen Sep 1 18:52:54
L=177 found by Jesse Kolman Nov 12 07:24:58
L=176 found by Juha Saukkola Nov 14 10:00:33
L=174 found by Joshua Zucker Sep 18 04:27:41
L=173 found by Ivan Kazmenko Sep 9 22:49:01 (symmetric)
L=173 found by Jesse Kolman Nov 12 07:24:44
L=173 found by Michael J Gayle Nov 18 18:44:32
L=172 found by Michael Collier Nov 7 22:46:47
L=171 found by James J Youlton Jr Aug 28 03:51:13
L=171 found by Markus Sigg Aug 29 21:21:59
L=170 found by James J Youlton Jr Aug 28 03:48:53
L=170 found by Michael van Fondern Sep 17 11:19:14
L=170 found by Juha Saukkola Oct 26 07:37:31
L=170 found by Hermann Jurksch 2012 Aug 27 (closed) (symmetric)
L=169 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 24 10:49:26
L=169 found by James J Youlton Jr Aug 27 03:23:29
L=169 found by Moritz Franckenstein Sep 16 13:57:10
L=168 found by Markus Sigg Aug 29 21:19:13
L=167 found by Kevin Burfitt Aug 23 13:41:15
L=166 found by Jesse Kolman Nov 12 07:24:24
L=163 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 21 07:19:37
L=163 found by QfwfQ Nov 13 17:12:19
L=162 found by Fred Mellender Aug 27 09:09:33
L=162 found by Moritz Franckenstein Sep 15 07:50:47
L=162 found by Ivan Kazmenko Sep 24 23:24:43 (closed) (symmetric)
L=162 found by Alexander Fischer Nov 20 08:31:57
L=161 found by James J Youlton Jr Aug 24 03:46:50
L=160 found by Olivier Buffet & Dmitry Kamenetsky Sep 8 00:04:40
L=158 found by Michael van Fondern Sep 16 07:16:09
L=157 found by Vadim Trofimov Aug 24 22:06:27 (symmetric)
L=156 found by James J Youlton Jr Aug 24 03:16:41
L=155 found by Ivan Kazmenko Sep 8 22:18:07 (symmetric)
L=153 found by Jesse Kolman Nov 12 07:23:50
L=151 found by Yirmy Yasovsky Aug 21 20:53:56
L=151 found by Joshua Zucker Sep 18 04:10:40
L=150 found by Joshua Zucker Aug 27 14:53:34
L=149 found by Michael van Fondern Sep 14 18:41:13
L=149 found by Jesse Kolman Nov 12 07:23:35
L=146 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Aug 28 12:47:33
L=145 found by Mark Mammel Aug 21 12:34:47
L=144 found by Markus Sigg Aug 22 23:10:36
L=144 found by QfwfQ Oct 5 09:21:11
L=144 found by Jesse Kolman Nov 12 07:17:59
L=143 found by Markus Sigg Aug 22 23:07:26
L=143 found by Juergen Winterberg Nov 8 23:48:29
L=143 found by Jesse Kolman Nov 12 07:17:32
L=142 found by Olivier Buffet & Dmitry Kamenetsky Sep 2 16:00:57
L=142 found by G.R.A.20 Problem Solving Sep 4 15:10:17
L=142 found by Jesse Kolman Nov 12 07:17:18
L=142 found by Jesse Kolman Nov 12 07:23:16
L=141 found by Markus Sigg Aug 22 23:06:11
L=141 found by Jesse Kolman Nov 12 07:16:52
L=140 found by Markus Sigg Aug 21 10:32:13
L=140 found by Joshua Zucker Aug 27 14:52:31
L=138 found by G.R.A.20 Problem Solving Sep 2 20:08:20
L=138 found by Ivan Kazmenko Sep 24 23:24:32 (closed) (symmetric)
L=138 found by Jesse Kolman Nov 12 07:16:39
L=138 found by Jesse Kolman Nov 12 07:22:58
L=137 found by Olivier Buffet & Dmitry Kamenetsky Sep 1 00:50:53
L=137 found by Moritz Franckenstein Sep 9 00:11:13
L=136 found by Olivier Buffet & Dmitry Kamenetsky Aug 23 22:24:47
L=136 found by Vadim Trofimov Aug 24 17:12:02 (same as Aug 23 22:24:47)
L=136 found by SuperRock Sep 6 03:38:25 (same as Aug 23 22:24:47)
L=136 found by Mike White Nov 19 00:26:31 (same as Aug 23 22:24:47)
L=135 found by Sebastian Mingramm Sep 11 12:07:57
L=135 found by Jesse Kolman Nov 12 07:16:06
L=134 found by Olivier Buffet & Dmitry Kamenetsky Aug 23 22:24:10
L=134 found by Mike White Nov 18 17:02:25 (same as Aug 23 22:24:10)
L=133 found by QfwfQ Sep 27 09:20:35
L=133 found by Juergen Winterberg Oct 29 17:54:32
L=133 found by Jesse Kolman Nov 12 23:32:51
L=132 found by Sabur Zaheed (AIUB) Aug 21 17:27:59
L=132 found by Moritz Franckenstein Sep 3 10:29:09
L=132 found by Mark Gordon Sep 9 06:25:28
L=132 found by Tobias Baumann Nov 16 09:24:37
L=131 found by Mark Gordon Sep 8 20:13:27
L=131 found by Jesse Kolman Nov 12 07:15:01
L=130 found by Jesse Kolman Nov 10 17:26:50
L=130 found by Jesse Kolman Nov 12 07:38:46
L=129 found by Markus Sigg Aug 20 19:06:39
L=129 found by Frank Buss Sep 3 15:35:49
L=129 found by Polegenko Vladimir Nov 7 13:31:54 (same as Sep 3 15:35:49)
L=129 found by Brian Adams Nov 7 18:41:20 (same as Sep 3 15:35:49)
L=129 found by Jesse Kolman Nov 12 07:39:01
L=129 found by Mike White Nov 17 09:14:24 (same as Sep 3 15:35:49)
L=128 found by Moritz Franckenstein Aug 30 09:12:51
L=127 found by Jesse Kolman Nov 12 07:14:49
L=127 found by Jesse Kolman Nov 12 07:22:39
L=126 found by Moritz Franckenstein Aug 30 08:46:34
L=126 found by Ivan Kazmenko Sep 24 23:24:20 (closed) (symmetric)
L=126 found by Steve Trevorrow Oct 7 07:51:13
L=126 found by Jesse Kolman Nov 12 07:22:33
L=124 found by Jesse Kolman Nov 8 18:29:40
L=123 found by Sabur Zaheed (AIUB) Aug 21 17:27:18
L=123 found by Daumilas Ardickas Aug 24 19:50:01
L=123 found by Jesse Kolman Nov 12 07:14:40
L=123 found by Jesse Kolman Nov 12 07:21:43
L=122 found by Henry Song Sep 25 20:42:14
L=122 found by Tobias Baumann Nov 14 09:16:02
L=121 found by Jesse Kolman Nov 12 06:57:06
L=120 found by Moritz Franckenstein Aug 27 13:48:52
L=120 found by Jesse Kolman Nov 12 07:13:56
L=119 found by Fred Mellender Aug 22 02:16:00
L=119 found by Steve Trevorrow Oct 6 23:28:02
L=117 found by G.R.A.20 Problem Solving Aug 30 13:13:47
L=116 found by Gregor Heitkamp Sep 21 20:50:02
L=115 found by G.R.A.20 Problem Solving Aug 29 15:29:41
L=115 found by Sebastian Mingramm Sep 8 19:37:19
L=114 found by Joshua Zucker Aug 23 04:35:29
L=113 found by Jesse Kolman Nov 12 07:13:38
L=112 found by Frank Buss Aug 24 14:13:08
L=112 found by Jesse Kolman Nov 12 06:54:07
L=112 found by Jesse Kolman Nov 12 07:38:21
L=111 found by Brad Smith Oct 28 20:37:32
L=111 found by Jesse Kolman Nov 12 07:21:14
L=110 found by Jesse Kolman Nov 12 07:21:05
L=109 found by Jesse Kolman Nov 12 07:20:59
L=108 found by Ivan Kazmenko Sep 24 20:51:41 (closed) (symmetric)
L=108 found by Jesse Kolman Nov 12 07:20:46
L=108 found by Jesse Kolman Nov 12 07:38:03
L=106 found by Juha Saukkola Aug 26 12:11:21
L=106 found by Johan Stang Sep 28 11:44:46
L=106 found by Jesse Kolman Nov 12 07:13:20
L=106 found by Jesse Kolman Nov 12 07:37:31
L=105 found by Sebastian Mingramm Sep 6 06:20:05
L=105 found by Jesse Kolman Nov 12 07:20:24
L=104 found by Jesse Kolman Nov 12 07:13:12
L=102 found by Jesse Kolman Nov 12 07:12:33
L=102 found by Jesse Kolman Nov 12 07:20:08
L=101 found by Evgeni Lukin Oct 31 10:22:22
L=100 found by Sabur Zaheed (AIUB) Aug 21 17:26:18
L= 98 found by Henry Song Sep 21 16:11:32
L= 98 found by Jesse Kolman Nov 5 21:46:33
L= 96 found by David Rendo Rodriguez Sep 11 09:52:08
L= 96 found by Brad Smith Oct 15 22:04:27 (same as Sep 11 09:52:08)
L= 93 found by Juha Saukkola Aug 24 12:15:26
L= 93 found by Sebastian Mingramm Sep 5 06:28:59
L= 92 found by QfwfQ Sep 20 08:43:23
L= 92 found by Jesse Kolman Nov 12 07:19:50
L= 91 found by Jesse Kolman Nov 12 07:19:31
L= 90 found by Fironov Sergey Sep 6 19:23:19
L= 89 found by Juha Saukkola Aug 24 12:14:53
L= 89 found by David Rendo Rodriguez Sep 11 08:52:31
L= 89 found by Jesse Kolman Nov 12 07:19:11
L= 88 found by Jesse Kolman Nov 12 07:10:40
L= 84 found by Magnus Jansson Oct 16 23:19:38
L= 81 found by Henry Song Sep 17 03:43:48
L= 81 found by Juha Saukkola Oct 5 10:00:08
L= 81 found by Hyung-Sul Kim Oct 29 07:04:15
L= 80 found by Juha Saukkola Oct 5 10:00:47
L= 75 found by Fironov Sergey Sep 6 18:57:15
L= 74 found by Leonid Shishlo Aug 21 23:41:38
L= 66 found by Gregor Heitkamp Sep 12 22:05:19
L= 63 found by David Rendo Rodriguez Sep 8 08:53:23
L= 40 found by Adam Panagos Aug 27 19:39:23
L= 33 found by Ivan Kazmenko Sep 21 00:02:02
L= 32 found by Magnus Jansson Aug 28 12:46:58
L= 31 found by Gregory Horvath Nov 5 17:11:37
L= 16 found by Leonid Shishlo Aug 21 19:40:02
L= 7 found by Magnus Jansson Aug 24 16:59:24 (symmetric)
L= 7 found by Brad Smith Sep 25 22:32:31 (symmetric) (same as Aug 24 16:59:24)
L= 7 found by test Oct 24 11:49:44 (symmetric) (same as Aug 24 16:59:24)