L=420 found by Markus Sigg 2021 Aug 7

L=419 found by Hermann Jurksch 2014 Feb 20 (symmetric)

L=419 found by Hugo Pfoertner 2021 Aug 7

L=417 found by Hugo Pfoertner and Markus Sigg 2008 Jul 24 (symmetric)

L=417 found by Hugo Pfoertner and Hermann Jurksch 2012 Jul 28

L=415 found by Hugo Pfoertner and Markus Sigg 2008 Jul 24 (symmetric)

L=413 found by Hugo Pfoertner and Markus Sigg 2008 Aug 30 (symmetric)

L=413 found by Hugo Pfoertner and Markus Sigg 2008 Aug 30 (symmetric)

L=409 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 24 (symmetric)

L=409 found by Markus Sigg 2008 Jul 18 (symmetric)

L=407 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 12 (symmetric)

L=407 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 15 (symmetric)

L=407 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 18 (symmetric)

L=407 found by Hugo Pfoertner and Markus Sigg 2008 May 18 (symmetric)

L=407 found by Hugo Pfoertner and Markus Sigg 2008 May 18 (symmetric)

L=407 found by Hugo Pfoertner and Markus Sigg 2008 May 21 (symmetric)

L=407 found by Hugo Pfoertner and Markus Sigg 2008 May 21 (symmetric)

L=405 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 9 (symmetric)

L=403 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Dec 14 (symmetric)

L=402 found by Hugo Pfoertner 2011 Dec 22

L=401 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Aug 13 (symmetric)

L=401 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2007 Aug 31 (symmetric)

L=401 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 21 (symmetric)

L=401 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 30 (symmetric)

L=401 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 3 (symmetric)

L=399 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 24 (symmetric)

L=397 found by Hugo Pfoertner 2011 Dec 14

L=395 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 28 (symmetric)

L=391 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Feb 5 (symmetric)

L=391 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 20

L=390 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 25

L=389 found by Markus Sigg (program) and Hugo Pfoertner (number-crunching) 2008 Jan 15 (symmetric)

L=389 found by Markus Sigg and Hugo Pfoertner 2008 Apr 24 (symmetric)

L=354 found by Hermann Jurksch 2012 Sep 15 (closed) (symmetric)

L=268 found by Hermann Jurksch 2012 Aug 25 (closed)

L=264 found by Hermann Jurksch 2012 Aug 24 (closed)

L=256 found by Hermann Jurksch 2012 Aug 7 (closed)

L=230 found by Hugo Pfoertner 2012 Aug 3 (closed)