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

using the Snake Viewer written by Frank Buß

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