### using a Snake Viewer written by Markus Sigg

L=478 found by Hugo Pfoertner and Hermann Jurksch 2012 Jul 26

L=476 found by Hugo Pfoertner 2012 Jul 26

L=473 found by Hermann Jurksch 2011 Aug 1

L=469 found by Hermann Jurksch 2011 Aug 1

L=465 found by Hermann Jurksch 2011 Jul 19

L=465 found by Hermann Jurksch 2011 Jul 31

L=463 found by Hermann Jurksch 2011 Jul 24

L=460 found by Hermann Jurksch 2011 Jul 18

L=458 found by Hermann Jurksch 2011 Jul 17

L=457 found by Hugo Pfoertner and Markus Sigg 2008 Jul 15 (symmetric)

L=457 found by Hermann Jurksch 2011 Jul 13

L=447 found by Hugo Pfoertner and Markus Sigg 2008 Jun 13 (symmetric)

L=445 found by Markus Sigg 2008 Mar 15 (symmetric)

**L=443 found by Markus Sigg 2007 Nov 8 22:28:59 (symmetric)**

**L=439 found by Markus Sigg 2007 Nov 7 17:59:38 (symmetric)**

**L=439 found by Vadim Trofimov 2007 Nov 20 17:47:42 (symmetric)**

L=439 found by Hugo Pfoertner and Markus Sigg 2008 May 17 (symmetric)

**L=437 found by Markus Sigg 2007 Nov 7 17:15:22 (symmetric)**

L=437 found by Hugo Pfoertner and Markus Sigg 2008 Jun 7 (symmetric)

L=431 found by Hugo Pfoertner 2012 Apr 17

L=427 found by Hugo Pfoertner and Markus Sigg 2008 May 24

L=426 found by Hugo Pfoertner using programs written by Markus Sigg and KLaus Nagel 2008 May 18

**L=423 found by Vadim Trofimov 2007 Sep 10 07:05:43 (symmetric)**

**L=422 found by Michael van Fondern 2007 Nov 12 18:15:24**

L=421 found by Markus Sigg 2008 Feb 19 (symmetric)

L=421 found by Hugo Pfoertner and Markus Sigg 2008 Feb 28

L=421 found by Hugo Pfoertner and Markus Sigg 2008 Jun 15 (symmetric)

**L=420 found by Michael van Fondern 2007 Nov 11 08:08:47**

L=420 found by Hugo Pfoertner and Markus Sigg 2008 May 18

L=420 found by Hugo Pfoertner 2016 Jan 29

**L=417 found by Michael van Fondern 2007 Nov 7 06:46:17**

**L=415 found by Michael van Fondern 2007 Nov 6 07:27:07**

**L=413 found by Michael van Fondern 2007 Nov 3 06:35:55**

**L=413 found by Markus Sigg 2007 Nov 7 15:59:31 (symmetric)**

L=411 found by Hugo Pfoertner and Markus Sigg 2008 Jun 7 (symmetric)

**L=409 found by Markus Sigg 2007 Nov 7 08:29:20 (symmetric)**

L=408 found by Hugo Pfoertner and Markus Sigg 2008 May 17

L=408 found by Hugo Pfoertner 2016 Jan 29

**L=407 found by Markus Sigg 2007 Nov 7 08:07:59 (symmetric)**

L=407 found by Hugo Pfoertner and Markus Sigg 2008 Apr 11 (symmetric)

**L=403 found by Michael van Fondern 2007 Oct 25 05:37:30**

**L=398 found by Michael van Fondern 2007 Oct 17 06:04:29**

**L=395 found by Honza Stola 2007 Sep 4 12:26:49 (symmetric)**

**L=394 found by Michael van Fondern 2007 Oct 16 20:19:09**

**L=390 found by Michael van Fondern 2007 Oct 15 20:45:06**

**L=389 found by Honza Stola 2007 Sep 4 10:22:15 (symmetric)**

**L=385 found by Markus Sigg 2007 Nov 6 20:52:00 (symmetric)**

**L=382 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Nov 9 05:41:05**

**L=379 found by Fred Mellender 2007 Nov 18 16:41:56**

**L=378 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Nov 7 18:35:41**

**L=377 found by Vadim Trofimov 2007 Sep 2 21:26:38**

**L=375 found by Michael van Fondern 2007 Sep 28 05:49:39**

**L=373 found by Markus Sigg 2007 Oct 20 12:29:17 (symmetric)**

**L=372 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Oct 30 16:31:07**

**L=371 found by Honza Stola 2007 Sep 4 10:19:40 (symmetric)**

**L=367 found by Fred Mellender 2007 Oct 5 18:35:25**

**L=365 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Oct 30 08:30:54**

**L=364 found by Fred Mellender 2007 Sep 16 18:05:02**

**L=364 found by Michael van Fondern 2007 Sep 27 16:47:36**

L=364 found by Hermann Jurksch 2012 Sep 19 (closed)

**L=362 found by Fred Mellender 2007 Sep 15 20:39:56**

**L=361 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Oct 27 10:47:25**

**L=360 found by Michael van Fondern 2007 Sep 27 05:33:25**

**L=359 found by Markus Sigg 2007 Oct 20 09:36:57 (symmetric)**

**L=358 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Oct 25 12:56:03**

**L=357 found by Michael van Fondern 2007 Sep 25 05:41:30**

**L=356 found by Moritz Franckenstein 2007 Nov 15 15:11:01**

**L=355 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Oct 2 14:12:59**

**L=354 found by Mark Beyleveld 2007 Sep 3 01:46:39**

**L=353 found by Mark Beyleveld 2007 Sep 3 01:45:47**

**L=353 found by Fred Mellender 2007 Sep 9 09:05:33**

**L=350 found by Mark Beyleveld 2007 Aug 23 12:07:39**

**L=349 found by Fred Mellender 2007 Sep 3 00:54:28**

**L=349 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Sep 25 16:25:46**

**L=346 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Sep 21 19:38:31**

**L=345 found by Daumilas Ardickas 2007 Sep 5 11:39:40**

**L=344 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Sep 20 06:22:15**

**L=344 found by Michael van Fondern 2007 Sep 24 16:11:14**

**L=344 found by Moritz Franckenstein 2007 Nov 15 08:08:55**

**L=343 found by Fred Mellender 2007 Sep 3 00:52:30**

**L=343 found by Moritz Franckenstein 2007 Nov 14 21:45:01**

**L=342 found by Michael van Fondern 2007 Sep 23 07:06:00**

**L=342 found by Moritz Franckenstein 2007 Nov 10 15:22:53**

L=342 found by Hermann Jurksch 2012 Sep 15 (closed) (symmetric)

**L=338 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Sep 11 11:01:34**

**L=337 found by Moritz Franckenstein 2007 Oct 1 10:26:38**

**L=336 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2007 Nov 19 15:30:32**

**L=335 found by Fred Mellender 2007 Sep 2 19:05:11**

**L=332 found by Joshua Zucker 2007 Oct 4 13:51:40**

**L=331 found by Michael van Fondern 2007 Sep 22 20:04:50**

**L=326 found by Joshua Zucker 2007 Sep 28 02:17:50**

**L=325 found by Honza Stola 2007 Sep 3 10:02:18**

**L=324 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Sep 2 23:50:03**

**L=322 found by James J Youlton Jr 2007 Sep 6 00:04:12**

**L=320 found by Boris von Loesch 2007 Nov 20 17:47:32**

L=320 found by Hermann Jurksch 2012 Aug 19 (closed)

**L=319 found by Ivan Kazmenko 2007 Sep 23 23:33:32 (symmetric)**

**L=319 found by QfwfQ 2007 Oct 5 09:06:51**

**L=318 found by James J Youlton Jr 2007 Sep 3 02:21:07**

**L=318 found by Joshua Zucker 2007 Sep 27 13:41:00**

**L=317 found by Kevin Burfitt 2007 Sep 2 22:45:13**

**L=317 found by Moritz Franckenstein 2007 Sep 15 09:16:24**

**L=317 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2007 Nov 6 18:24:46**

**L=315 found by Olivier Buffet & Dmitry Kamenetsky 2007 Sep 4 04:06:44**

**L=313 found by Yirmy Yasovsky 2007 Oct 26 22:12:37**

**L=312 found by Yirmy Yasovsky 2007 Oct 1 22:57:22**

**L=311 found by Ivan Kazmenko 2007 Sep 23 23:33:04 (symmetric)**

**L=311 found by Boris von Loesch 2007 Nov 20 17:43:11**

**L=309 found by Boris von Loesch 2007 Nov 20 17:42:07**

**L=308 found by James J Youlton Jr 2007 Aug 23 07:03:21**

**L=308 found by Boris von Loesch 2007 Nov 20 17:40:21**

**L=307 found by James J Youlton Jr 2007 Aug 23 06:15:01**

**L=306 found by Olivier Buffet & Dmitry Kamenetsky 2007 Sep 3 13:36:02**

**L=306 found by Moritz Franckenstein 2007 Sep 12 20:08:00**

**L=306 found by Jesse Kolman 2007 Nov 21 10:30:07**

**L=304 found by Joshua Zucker 2007 Sep 5 04:43:23**

**L=304 found by Boris von Loesch 2007 Nov 20 17:18:25**

**L=303 found by Ivan Kazmenko 2007 Sep 11 10:09:53 (symmetric)**

**L=303 found by Michael van Fondern 2007 Sep 22 14:58:34**

**L=302 found by Yirmy Yasovsky 2007 Sep 19 19:11:03**

**L=301 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Aug 23 14:03:29**

**L=300 found by Mark Beyleveld 2007 Aug 22 00:01:51**

**L=300 found by Mark Beyleveld 2007 Aug 22 00:05:13**

**L=300 found by Mark Beyleveld 2007 Aug 22 00:06:14**

**L=299 found by Mark Beyleveld 2007 Aug 22 00:03:18**

**L=298 found by Juha Saukkola 2007 Oct 26 07:16:28**

**L=297 found by Markus Sigg 2007 Sep 6 15:02:24 (symmetric)**

**L=295 found by Eckard Specht & Dietmar Viertel & Martin Wohlgemuth 2007 Aug 21 07:00:35**

**L=294 found by Yirmy Yasovsky 2007 Sep 8 21:52:24**

**L=294 found by Klaus Nagel & Hugo Pfoertner & Rainer Rosenthal 2007 Sep 21 09:07:26**

**L=291 found by Markus Sigg 2007 Sep 6 14:59:01 (symmetric)**

**L=290 found by QfwfQ 2007 Sep 27 08:57:37**

**L=289 found by Ivan Kazmenko 2007 Sep 8 20:45:46 (symmetric)**

**L=288 found by Michael Collier 2007 Nov 8 14:25:53**

**L=286 found by Olivier Buffet & Dmitry Kamenetsky 2007 Sep 3 12:30:58**

**L=285 found by Yirmy Yasovsky 2007 Sep 7 20:23:57**

**L=284 found by Alexander Lyashuk 2007 Nov 6 17:25:25**

**L=283 found by Ivan Kazmenko 2007 Sep 8 20:45:19 (symmetric)**

**L=282 found by James Buddenhagen 2007 Sep 4 02:06:20**

**L=282 found by Yirmy Yasovsky 2007 Sep 6 22:33:16**

**L=282 found by Michael van Fondern 2007 Sep 20 05:51:09**

**L=281 found by Markus Sigg 2007 Sep 3 21:18:44 (symmetric)**

**L=280 found by Kevin Burfitt 2007 Aug 23 23:28:19**

L=278 found by Hermann Jurksch 2012 Aug 7 (closed)

**L=273 found by Mark Gordon 2007 Sep 9 05:16:37**

**L=272 found by Markus Sigg 2007 Aug 21 21:50:56**

**L=272 found by G.R.A.20 Problem Solving 2007 Sep 4 20:38:58**

**L=271 found by Kevin Burfitt 2007 Aug 23 12:52:05**

**L=271 found by Joshua Zucker 2007 Sep 4 22:06:30**

**L=270 found by Michael van Fondern 2007 Sep 19 05:38:48**

**L=269 found by Ivan Kazmenko 2007 Sep 24 13:05:02 (symmetric)**

**L=268 found by Yirmy Yasovsky 2007 Aug 21 20:34:06**

**L=268 found by Johan Stang 2007 Sep 28 16:26:03**

**L=267 found by Juergen Winterberg 2007 Oct 29 17:21:36**

**L=265 found by Michael van Fondern 2007 Sep 17 11:15:26**

**L=265 found by Johan Stang 2007 Sep 25 07:19:16**

**L=264 found by James Buddenhagen 2007 Aug 23 00:34:26**

**L=264 found by Johan Stang 2007 Sep 24 18:51:19**

**L=263 found by Markus Sigg 2007 Aug 20 18:39:04**

**L=262 found by Johan Stang 2007 Sep 24 09:06:37**

**L=261 found by QfwfQ 2007 Sep 20 08:01:20**

**L=260 found by Joshua Zucker 2007 Sep 3 21:42:42**

**L=260 found by Mark Mammel 2007 Sep 5 13:19:53**

**L=260 found by Johan Stang 2007 Sep 23 21:43:57**

**L=260 found by Jesse Kolman 2007 Nov 20 21:02:08**

**L=258 found by G.R.A.20 Problem Solving 2007 Sep 2 20:00:21**

**L=257 found by Henry Song 2007 Oct 10 18:24:46**

**L=256 found by Johan Stang 2007 Sep 23 21:38:07**

**L=254 found by Johan Stang 2007 Sep 20 15:42:07**

**L=253 found by Michael van Fondern 2007 Sep 16 07:11:31**

**L=251 found by Brian Adams 2007 Nov 13 02:08:07**

**L=245 found by Sebastian Mingramm 2007 Sep 8 20:29:39**

**L=243 found by Jesse Kolman 2007 Nov 9 04:31:44**

**L=241 found by Fred Mellender 2007 Aug 22 02:23:51**

**L=241 found by Steve Trevorrow 2007 Oct 7 07:50:34**

**L=239 found by Mark Mammel 2007 Aug 21 16:26:26**

**L=239 found by Jesse Kolman 2007 Nov 20 20:57:59**

**L=235 found by Michael van Fondern 2007 Sep 14 18:36:28**

**L=235 found by Johan Stang 2007 Sep 20 15:28:37**

**L=235 found by Jesse Kolman 2007 Nov 21 08:55:24**

**L=233 found by SuperRock 2007 Sep 6 03:41:42**

**L=231 found by Steve Trevorrow 2007 Oct 7 00:04:56**

**L=231 found by Tobias Baumann 2007 Nov 16 09:12:08**

**L=231 found by Mike White 2007 Nov 17 19:36:36 (same as Nov 16 09:12:08)**

**L=230 found by Michael J Gayle 2007 Nov 21 06:39:15**

**L=229 found by Frank Buss 2007 Sep 3 15:32:25**

**L=229 found by Brian Adams Nov 7 22:48:31 (same as 2007 Sep 3 15:32:25)**

**L=229 found by Mike White Nov 16 16:08:05 (same as 2007 Sep 3 15:32:25)**

**L=228 found by Vadim Trofimov 2007 Aug 22 21:11:46**

**L=227 found by Steve Trevorrow 2007 Oct 6 20:35:33**

**L=226 found by SuperRock 2007 Sep 4 17:02:52**

**L=225 found by Olivier Buffet & Dmitry Kamenetsky 2007 Aug 23 03:53:19**

**L=225 found by Moritz Franckenstein Sep 2 16:58:18 (same as 2007 Aug 23 03:53:19)**

**L=225 found by Mike White Nov 16 07:16:51 (same as 2007 Aug 23 03:53:19)**

**L=224 found by SuperRock 2007 Sep 4 11:48:09**

**L=224 found by Gregor Heitkamp 2007 Sep 26 23:51:38**

**L=223 found by Tobias Baumann 2007 Nov 14 07:54:01**

**L=223 found by Mike White 2007 Nov 16 07:04:27 (same as Nov 14 07:54:01)**

**L=220 found by Polegenko Vladimir 2007 Nov 7 14:05:34**

**L=217 found by Sabur Zaheed (AIUB) 2007 Aug 21 16:20:28**

**L=213 found by Gregor Heitkamp 2007 Sep 17 21:30:13**

**L=212 found by Joshua Zucker 2007 Aug 23 15:29:45**

**L=208 found by G.R.A.20 Problem Solving 2007 Aug 26 13:56:47**

**L=207 found by Jesse Kolman 2007 Nov 20 20:55:19**

**L=205 found by Michael Collier 2007 Nov 2 03:03:23**

**L=205 found by Jesse Kolman 2007 Nov 20 20:55:07**

**L=203 found by G.R.A.20 Problem Solving 2007 Sep 2 15:01:55**

**L=202 found by Jesse Kolman 2007 Nov 20 20:54:46**

**L=200 found by Moritz Franckenstein 2007 Aug 27 15:18:11**

**L=200 found by G.R.A.20 Problem Solving 2007 Sep 1 21:52:27**

**L=198 found by Jesse Kolman 2007 Nov 20 20:54:34**

**L=197 found by Sebastian Mingramm 2007 Sep 6 18:37:51**

**L=197 found by Henry Song 2007 Sep 23 00:38:37**

**L=196 found by Jesse Kolman 2007 Nov 9 04:18:40**

**L=195 found by Mark Beyleveld 2007 Aug 30 02:46:59**

**L=195 found by Mark Beyleveld 2007 Aug 30 02:48:35**

**L=195 found by Jesse Kolman 2007 Nov 20 20:54:18**

**L=194 found by Gregor Heitkamp 2007 Sep 17 20:10:27**

**L=193 found by Jesse Kolman 2007 Nov 20 20:53:38**

**L=192 found by Moritz Franckenstein 2007 Nov 9 09:00:08 (closed)**

**L=191 found by Mark Gordon 2007 Sep 5 04:58:54**

**L=189 found by David Rendo Rodriguez 2007 Oct 2 11:49:13**

**L=187 found by Evgeni Lukin 2007 Oct 15 06:40:36**

**L=187 found by Evgeni Lukin 2007 Oct 15 06:50:18**

**L=186 found by Evgeni Lukin 2007 Oct 15 06:39:56**

**L=185 found by Evgeni Lukin 2007 Oct 15 06:39:27**

**L=184 found by Adrian Krolak 2007 Nov 5 09:54:46**

**L=182 found by Frank Buss 2007 Aug 24 15:39:46**

**L=181 found by Evgeni Lukin 2007 Oct 15 06:38:22**

**L=181 found by Hyung-Sul Kim 2007 Oct 29 06:41:11**

**L=180 found by Honza Stola 2007 Aug 30 17:33:26**

**L=177 found by Frank Buss 2007 Aug 24 15:31:32**

**L=171 found by Juha Saukkola 2007 Aug 26 12:46:31**

**L=170 found by Joshua Zucker 2007 Aug 21 16:54:25**

**L=168 found by Jesse Kolman 2007 Nov 6 10:14:49**

**L=167 found by Jesse Kolman 2007 Nov 20 20:52:44**

**L=164 found by Jesse Kolman 2007 Nov 21 08:04:11**

**L=163 found by Jesse Kolman 2007 Nov 20 20:30:30**

**L=163 found by Jesse Kolman 2007 Nov 21 08:04:03**

**L=162 found by Jesse Kolman 2007 Nov 21 08:03:49**

**L=162 found by Jesse Kolman 2007 Nov 21 08:04:24**

**L=162 found by Jesse Kolman 2007 Nov 21 08:04:37**

**L=161 found by Jesse Kolman 2007 Nov 21 08:03:43**

**L=160 found by Joshua Zucker 2007 Aug 21 16:49:22**

**L=160 found by Jesse Kolman 2007 Nov 21 08:03:19**

**L=159 found by Sebastian Mingramm 2007 Sep 5 12:43:53**

**L=159 found by Jesse Kolman 2007 Nov 21 08:02:47**

**L=157 found by Jesse Kolman 2007 Nov 21 08:02:36**

**L=156 found by Jesse Kolman 2007 Nov 21 08:00:02**

**L=156 found by Jesse Kolman 2007 Nov 21 08:02:13**

**L=155 found by Jesse Kolman 2007 Nov 12 20:14:26 (symmetric)**

**L=155 found by Jesse Kolman 2007 Nov 21 07:59:49**

**L=155 found by Jesse Kolman 2007 Nov 21 08:02:06**

**L=154 found by Jesse Kolman 2007 Nov 21 07:59:31**

**L=154 found by Jesse Kolman 2007 Nov 21 08:01:56**

**L=153 found by Jesse Kolman 2007 Nov 21 07:59:00**

**L=153 found by Jesse Kolman 2007 Nov 21 08:01:32**

**L=150 found by Honza Stola 2007 Aug 30 09:49:34**

**L=149 found by Jesse Kolman 2007 Nov 21 07:24:29**

**L=148 found by G.R.A.20 Problem Solving 2007 Aug 24 13:15:07**

**L=146 found by Brad Smith 2007 Oct 15 21:54:06**

**L=145 found by Jesse Kolman 2007 Nov 20 20:52:05**

**L=143 found by Fironov Sergey 2007 Aug 27 12:36:18**

**L=143 found by Jesse Kolman 2007 Nov 20 20:29:44**

**L=140 found by Juha Saukkola 2007 Oct 5 10:01:48**

**L=139 found by Juha Saukkola 2007 Aug 26 10:31:38**

**L=133 found by Valentin Scheele 2007 Aug 23 12:51:26**

**L=130 found by Magnus Jansson 2007 Oct 16 22:55:26**

**L=128 found by David Rendo Rodriguez 2007 Sep 11 07:32:13**

**L=123 found by Adam Panagos 2007 Aug 25 01:46:17**

**L=121 found by Jesse Kolman 2007 Nov 20 20:28:49**

**L=121 found by Jesse Kolman 2007 Nov 20 20:46:24**

**L=118 found by Neil Smith 2007 Nov 20 22:58:56**

**L=117 found by Magnus Jansson 2007 Aug 28 10:03:35**

**L=117 found by Jesse Kolman 2007 Nov 20 20:51:54**

**L=111 found by Adrian Krolak 2007 Nov 4 20:24:34**

**L=105 found by Leonid Shishlo 2007 Aug 21 22:51:57**

**L=104 found by Gregor Heitkamp 2007 Sep 9 22:49:21**

**L=102 found by Magnus Jansson 2007 Oct 16 22:45:12**

**L=100 found by David Rendo Rodriguez 2007 Sep 8 10:48:47**

**L= 96 found by David Rendo Rodriguez 2007 Sep 8 08:11:08**

**L= 89 found by Jesse Kolman 2007 Nov 20 20:51:40**

**L= 87 found by Jesse Kolman 2007 Nov 20 20:51:25**

**L= 82 found by Adam Panagos 2007 Aug 24 01:37:51**

**L= 67 found by Leonid Shishlo 2007 Aug 21 22:47:30**

**L= 59 found by Jesse Kolman 2007 Nov 20 20:50:56**

**L= 50 found by Jesse Kolman 2007 Nov 20 20:26:02**

**L= 43 found by Adrian Krolak 2007 Nov 4 12:28:15**

**L= 43 found by Jesse Kolman 2007 Nov 20 20:25:28**

**L= 42 found by Joey Justice 2007 Oct 4 18:40:29**

**L= 41 found by Ivan Kazmenko 2007 Sep 23 19:54:13 (symmetric)**

**L= 34 found by Michael van Fondern 2007 Sep 18 17:47:22**

**L= 33 found by Jesse Kolman 2007 Nov 20 20:49:31**

**L= 32 found by Jesse Kolman 2007 Nov 20 20:48:57**

**L= 31 found by Jesse Kolman 2007 Nov 20 20:48:10**

**L= 31 found by Jesse Kolman 2007 Nov 20 20:48:25**

**L= 31 found by Jesse Kolman 2007 Nov 20 20:48:39**

**L= 31 found by Jesse Kolman 2007 Nov 20 20:50:24**

**L= 30 found by Jesse Kolman 2007 Nov 20 20:47:51**

**L= 28 found by Jesse Kolman 2007 Nov 20 20:47:38**

**L= 22 found by Martin M. Pedersen 2007 Sep 1 07:57:31**

**L= 19 found by test 2007 Oct 23 11:43:50 (symmetric)**

**L= 13 found by Magnus Jansson 2007 Nov 7 01:19:44**

**L= 12 found by Magnus Jansson 2007 Aug 24 16:55:09 (symmetric)**

**L= 12 found by Brad Smith Sep 25 22:18:15 (symmetric) (same as 2007 Aug 24 16:55:09)**