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

using a Snake Viewer written by Markus Sigg

L=325 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 13
L=325 found by Markus Sigg 2008 Jun 1 (symmetric)
L=325 found by Hermann Jurksch 2014 Feb 17 (symmetric)
L=324 found by Markus Sigg 2008 Mar 31
L=323 found by Michael van Fondern Nov 3 17:40:27
L=323 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Aug 6 (symmetric)
L=321 found by Hugo Pfoertner and Markus Sigg 2008 Jun 6 (symmetric)
L=321 found by Hugo Pfoertner and Markus Sigg 2008 Jun 6 (symmetric)
L=321 found by Hugo Pfoertner and Markus Sigg 2008 Jul 21 (symmetric)
L=318 found by Hugo Pfoertner 2012 Jan 16
L=318 found by Hugo Pfoertner 2015 Dec 15
L=315 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 8 (symmetric)
L=315 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 8 (symmetric)
L=315 found by Markus Sigg 2008 May 5 (symmetric)
L=315 found by Hugo Pfoertner and Markus Sigg 2008 May 20 (symmetric)
L=315 found by Hugo Pfoertner and Markus Sigg 2008 May 29 (symmetric)
L=315 found by Hugo Pfoertner and Markus Sigg 2008 May 29 (symmetric)
L=314 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 18
L=313 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 14 (symmetric)
L=313 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 12
L=312 found by Hugo Pfoertner 2011 Dec 3
L=311 found by Vadim Trofimov Oct 5 17:21:36 (symmetric)
L=311 found by Markus Sigg 2008 Mar 16 (symmetric)
L=310 found by Hugo Pfoertner 2011 Dec 3
L=309 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 24 (symmetric)
L=309 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 5 (symmetric)
L=309 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 11 (symmetric)
L=309 found by Hugo Pfoertner 2011 Dec 3
L=307 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 6 (symmetric)
L=307 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 8 (symmetric)
L=307 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 21 (symmetric)
L=307 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 30
L=306 found by Hugo Pfoertner 2011 Dec 3
L=305 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 15 (symmetric)
L=305 found by Hugo Pfoertner 2011 Dec 3
L=303 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 11
L=303 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 21 (symmetric)
L=302 found by Hugo Pfoertner 2011 Dec 3
L=299 found by Vadim Trofimov Sep 5 19:19:42 (symmetric)
L=299 found by Michael van Fondern Oct 24 16:07:35
L=297 found by Vadim Trofimov Sep 2 19:03:29 (symmetric)
L=296 found by Michael van Fondern Oct 16 20:19:58
L=293 found by Honza Stola Sep 7 15:41:19 (symmetric)
L=291 found by Markus Sigg and Hugo Pfoertner 2008 Apr 24 (symmetric)
L=287 found by Michael van Fondern Oct 15 20:45:50
L=282 found by Markus Sigg Sep 9 17:59:11
L=278 found by Mark Beyleveld Sep 19 01:52:13
L=277 found by Mark Beyleveld Sep 3 00:58:26
L=277 found by Michael van Fondern Sep 28 20:29:35
L=274 found by Moritz Franckenstein Sep 25 20:13:30
L=272 found by Joshua Zucker Oct 6 01:37:18
L=272 found by Hermann Jurksch 2012 Sep 15 (closed)
L=270 found by Michael van Fondern Sep 27 16:48:41
L=270 found by Joshua Zucker Oct 5 16:25:37
L=270 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Nov 2 15:39:58
L=269 found by Mark Beyleveld Aug 21 23:54:07
L=269 found by Moritz Franckenstein Sep 25 19:18:26
L=269 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 26 17:15:24
L=268 found by Michael van Fondern Sep 27 05:34:07
L=267 found by Moritz Franckenstein Sep 25 12:03:15
L=267 found by Joshua Zucker Oct 5 14:16:28 (same as Sep 25 12:03:15)
L=267 found by Yirmy Yasovsky Oct 26 22:11:46
L=266 found by Joshua Zucker Oct 5 13:43:18
L=266 found by Hermann Jurksch 2012 Sep 15 (closed)
L=265 found by Fred Mellender Nov 18 16:35:17
L=264 found by Yirmy Yasovsky Sep 30 10:35:33
L=264 found by Joshua Zucker Oct 5 12:00:38
L=263 found by Fred Mellender Oct 5 18:37:56
L=262 found by Yirmy Yasovsky Sep 21 12:08:30
L=262 found by Hermann Jurksch 2012 Sep 15 (closed) (symmetric)
L=261 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 25 16:35:20
L=261 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 19 15:37:05
L=259 found by Yirmy Yasovsky Sep 12 19:36:12
L=259 found by Fred Mellender Sep 15 20:41:57
L=258 found by James Buddenhagen Sep 9 15:47:51
L=257 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 21 19:48:09
L=257 found by James Buddenhagen Sep 25 01:07:19
L=257 found by Michael van Fondern Sep 25 05:42:15
L=257 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 8 19:16:20
L=255 found by Jesse Kolman Nov 18 21:22:45
L=253 found by Yirmy Yasovsky Sep 11 22:38:09
L=251 found by Joshua Zucker Sep 19 22:24:30
L=249 found by Fred Mellender Sep 12 12:13:30
L=247 found by Kevin Burfitt Sep 4 23:22:40
L=247 found by Mark Gordon Sep 10 20:50:33
L=247 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 21 08:48:54
L=246 found by Michael van Fondern Sep 24 16:11:59
L=245 found by Daumilas Ardickas Sep 5 11:34:37
L=244 found by Fred Mellender Sep 2 19:00:20
L=244 found by Jesse Kolman Nov 18 21:05:54
L=243 found by Markus Sigg Sep 4 16:20:32 (symmetric)
L=243 found by Michael van Fondern Sep 23 16:16:15
L=242 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 6 18:43:38
L=241 found by Ivan Kazmenko Sep 23 22:00:20 (symmetric)
L=240 found by Yirmy Yasovsky Sep 7 20:22:26
L=240 found by Michael van Fondern Sep 22 14:59:18
L=240 found by Boris von Loesch Nov 17 09:33:18
L=239 found by James J Youlton Jr Sep 3 12:15:09
L=238 found by Honza Stola Sep 3 10:08:27
L=238 found by Yirmy Yasovsky Sep 6 22:13:33
L=236 found by Michael van Fondern Sep 20 05:51:58
L=235 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 21 07:31:32
L=234 found by Boris von Loesch Nov 16 21:16:21
L=233 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 20 06:01:51
L=232 found by Hermann Jurksch 2012 Aug 26 (closed) (symmetric)
L=231 found by James J Youlton Jr Sep 3 02:32:39
L=231 found by Michael van Fondern Sep 17 11:16:48
L=231 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 18 06:49:10
L=230 found by Moritz Franckenstein Sep 19 10:01:24
L=226 found by Yirmy Yasovsky Sep 2 18:23:19
L=226 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 11 11:52:12
L=225 found by Kevin Burfitt Sep 2 22:46:48
L=225 found by Ivan Kazmenko Sep 23 21:59:21 (symmetric)
L=224 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 7 09:26:42
L=224 found by Ivan Kazmenko Oct 31 14:51:09 (closed) (symmetric)
L=223 found by QfwfQ Nov 13 17:08:41
L=222 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 3 01:24:47
L=222 found by Jesse Kolman Nov 18 08:09:17
L=221 found by James J Youlton Jr Sep 3 02:15:13
L=221 found by Jesse Kolman Nov 18 08:08:58
L=220 found by Jesse Kolman Nov 18 08:08:46
L=219 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 28 08:54:08
L=219 found by Jesse Kolman Nov 18 08:08:36
L=218 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Sep 2 17:16:49
L=218 found by Jesse Kolman Nov 18 08:08:21
L=217 found by James J Youlton Jr Aug 25 06:19:34
L=217 found by Jesse Kolman Nov 18 08:08:03
L=216 found by Jesse Kolman Nov 18 08:07:50
L=215 found by Jesse Kolman Nov 18 08:07:37
L=214 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 26 08:18:43
L=214 found by Jesse Kolman Nov 18 08:07:20
L=214 found by Hermann Jurksch 2012 Aug 26 (closed) (symmetric)
L=213 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 23 09:21:29
L=213 found by Jesse Kolman Nov 18 08:06:47
L=212 found by Michael van Fondern Sep 16 07:13:12
L=212 found by Jesse Kolman Nov 18 08:06:28
L=211 found by Jesse Kolman Nov 18 08:06:18
L=210 found by James J Youlton Jr Aug 23 09:04:15
L=210 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Sep 21 09:15:57
L=210 found by Jesse Kolman Nov 18 08:06:04
L=209 found by Ivan Kazmenko Sep 8 21:16:40 (symmetric)
L=209 found by James Buddenhagen Sep 8 22:31:35
L=209 found by QfwfQ Oct 5 09:12:35
L=209 found by Jesse Kolman Nov 18 08:05:13
L=208 found by Joshua Zucker Sep 16 02:56:40
L=207 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 22 23:14:05
L=206 found by Yirmy Yasovsky Aug 22 10:16:52
L=206 found by Olivier Buffet & Dmitry Kamenetsky Sep 3 12:38:14
L=205 found by Michael van Fondern Sep 15 18:44:29
L=203 found by Markus Sigg Sep 4 14:55:41 (symmetric)
L=202 found by Kevin Burfitt Aug 23 23:29:15
L=202 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 6 18:38:24
L=201 found by Vadim Trofimov Aug 26 11:36:44
L=200 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 22 14:27:32
L=200 found by Juha Saukkola Oct 26 07:23:03
L=199 found by Kevin Burfitt Aug 23 13:35:41
L=199 found by Joshua Zucker Sep 10 22:59:10
L=199 found by Moritz Franckenstein Sep 14 16:39:50
L=197 found by Michael Collier Nov 6 14:26:59
L=196 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth Aug 21 07:15:46
L=195 found by Yirmy Yasovsky Aug 21 20:44:14
L=193 found by Fred Mellender Aug 27 09:12:06
L=193 found by Olivier Buffet & Dmitry Kamenetsky Sep 2 03:29:37
L=193 found by Jesse Kolman Nov 12 20:10:50 (symmetric)
L=191 found by Joshua Zucker Sep 10 22:29:03
L=190 found by Markus Sigg Sep 2 18:30:07
L=189 found by Markus Sigg Aug 29 22:49:33
L=188 found by G.R.A.20 Problem Solving Sep 4 20:43:53
L=187 found by Markus Sigg Aug 23 20:40:35
L=187 found by Vadim Trofimov Aug 24 21:39:57 (symmetric)
L=187 found by Juergen Winterberg Nov 7 23:12:14
L=186 found by G.R.A.20 Problem Solving Sep 2 11:16:00
L=186 found by Michael J Gayle Nov 20 22:52:27
L=185 found by Moritz Franckenstein Sep 11 21:19:56
L=184 found by Jesse Kolman Nov 9 16:24:12
L=184 found by Jesse Kolman Nov 9 16:27:59
L=184 found by Mike White Nov 18 03:00:01
L=183 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal Nov 6 20:08:15
L=182 found by Joshua Zucker Aug 27 22:17:11
L=182 found by Ivan Kazmenko Sep 17 17:20:43 (closed) (symmetric)
L=182 found by QfwfQ Sep 27 09:08:49
L=181 found by Joshua Zucker Aug 27 20:45:29
L=181 found by Mark Mammel Sep 7 13:25:05
L=181 found by Michael van Fondern Sep 14 18:38:39
L=181 found by Boris von Loesch Nov 16 21:15:25
L=180 found by Honza Stola Aug 30 17:37:11
L=179 found by Olivier Buffet & Dmitry Kamenetsky Sep 2 01:03:49
L=179 found by Jesse Kolman Nov 18 08:11:02
L=178 found by Daumilas Ardickas Aug 24 19:20:00
L=178 found by Moritz Franckenstein Sep 11 21:14:55
L=176 found by Alexander Lyashuk Nov 6 17:31:01
L=175 found by Joshua Zucker Aug 27 20:27:31
L=174 found by Markus Sigg Aug 23 07:23:57
L=174 found by Mark Mammel Aug 25 22:32:55
L=174 found by Mark Gordon Sep 8 02:25:20
L=173 found by Mark Mammel Aug 24 02:22:39
L=173 found by Juergen Winterberg Oct 29 17:29:49
L=173 found by Jesse Kolman Nov 12 23:10:54
L=167 found by Mark Mammel Aug 21 16:19:01
L=167 found by Fred Mellender Aug 22 02:20:03
L=167 found by Markus Sigg Aug 23 07:23:08
L=167 found by Steve Trevorrow Oct 7 07:50:50
L=166 found by Markus Sigg Aug 20 19:01:56
L=165 found by Moritz Franckenstein Sep 3 10:03:04
L=164 found by Vadim Trofimov Aug 24 17:07:31
L=164 found by G.R.A.20 Problem Solving Aug 29 13:46:08
L=164 found by Jesse Kolman Nov 18 08:20:29
L=163 found by Sabur Zaheed (AIUB) Aug 21 17:30:11
L=163 found by Florian Beye Oct 9 20:38:34
L=163 found by Jesse Kolman Nov 18 08:19:58
L=163 found by Jesse Kolman Nov 18 08:20:05
L=162 found by Olivier Buffet & Dmitry Kamenetsky Aug 23 23:48:46
L=162 found by Florian Beye Oct 9 20:36:18
L=161 found by Henry Song Sep 23 00:44:16
L=160 found by Frank Buss Sep 3 15:34:02
L=160 found by Polegenko Vladimir Nov 7 13:49:12 (same as Sep 3 15:34:02)
L=160 found by Brian Adams Nov 7 22:27:16 (same as Sep 3 15:34:02)
L=160 found by Tobias Baumann Nov 14 16:43:37 (same as Sep 3 15:34:02)
L=160 found by Mike White Nov 17 21:04:19 (same as Sep 3 15:34:02)
L=158 found by QfwfQ Sep 20 08:17:16
L=158 found by Jesse Kolman Nov 18 08:17:02
L=155 found by Frank Buss Aug 24 13:30:32
L=155 found by Joshua Zucker Aug 27 10:08:41
L=155 found by Jesse Kolman Nov 18 08:15:34
L=154 found by Gregor Heitkamp Sep 21 20:31:50
L=153 found by Steve Trevorrow Oct 6 23:27:38
L=152 found by Marcello Herreshoff Oct 11 04:42:42
L=152 found by Tobias Baumann Nov 14 16:07:07
L=151 found by Moritz Franckenstein Aug 27 14:28:16
L=151 found by Tobias Baumann Nov 14 08:07:38 (same as Aug 27 14:28:16)
L=151 found by Mike White Nov 16 09:09:59
L=150 found by Honza Stola Aug 30 09:56:59
L=150 found by Mike White Nov 16 08:28:12
L=149 found by Johan Stang Sep 26 13:14:58
L=149 found by Florian Beye Oct 9 20:31:53
L=149 found by Jesse Kolman Nov 18 08:13:55
L=148 found by Joshua Zucker Aug 27 10:08:01
L=148 found by Florian Beye Oct 9 20:30:55
L=147 found by Sebastian Mingramm Sep 6 13:40:59
L=147 found by Brad Smith Oct 28 20:32:44
L=145 found by G.R.A.20 Problem Solving Aug 26 14:10:54
L=145 found by Florian Beye Oct 9 20:28:11
L=144 found by Florian Beye Oct 9 20:27:21
L=144 found by Jesse Kolman Nov 18 08:12:47
L=136 found by Joshua Zucker Aug 27 08:28:14
L=135 found by Brad Smith Oct 15 22:00:04
L=132 found by Juha Saukkola Aug 29 09:24:04
L=131 found by Jesse Kolman Nov 6 05:44:33
L=129 found by Roy van Rijn Sep 7 22:45:53
L=129 found by David Rendo Rodriguez Sep 11 09:35:33
L=128 found by Juha Saukkola Aug 24 12:31:51
L=127 found by G.R.A.20 Problem Solving Aug 29 16:11:26
L=125 found by Joshua Zucker Aug 27 03:40:09
L=125 found by Florian Beye Oct 9 20:26:02
L=122 found by David Rendo Rodriguez Sep 11 08:11:11
L=119 found by Evgeni Lukin Oct 21 06:21:51
L=114 found by Sebastian Mingramm Sep 5 07:59:49
L=102 found by Fironov Sergey Aug 28 18:39:35
L=101 found by Hyung-Sul Kim Oct 29 06:47:08
L= 98 found by Henry Song Sep 17 16:39:10
L= 94 found by Magnus Jansson Aug 28 08:09:21
L= 93 found by Fironov Sergey Aug 28 18:33:39
L= 91 found by Leonid Shishlo Aug 21 23:12:49
L= 90 found by Adam Panagos Aug 26 00:22:21
L= 86 found by Magnus Jansson Oct 16 23:23:00
L= 83 found by Gregor Heitkamp Sep 11 22:49:04
L= 82 found by David Rendo Rodriguez Sep 8 08:43:49
L= 82 found by Magnus Jansson Oct 16 23:22:48
L= 19 found by test Oct 24 11:19:19 (symmetric)
L= 9 found by Magnus Jansson Aug 24 16:56:32 (symmetric)
L= 9 found by Brad Smith Sep 25 22:24:35 (symmetric) (same as Aug 24 16:56:32)