L=557 found by Hermann Jurksch 2011 Aug 23

L=555 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 Jul 3 (symmetric)

L=541 found by Hugo Pfoertner and Markus Sigg 2008 Jul 20 (symmetric)

L=539 found by Hugo Pfoertner 2012 Apr 18 (symmetric)

L=537 found by Hugo Pfoertner and Markus Sigg 2008 Jun 13 (symmetric)

L=535 found by Hugo Pfoertner and Markus Sigg 2008 Jul 3 (symmetric)

L=533 found by Hugo Pfoertner and Markus Sigg 2008 May 21 (symmetric)

L=533 found by Hugo Pfoertner and Markus Sigg 2008 May 21 (symmetric)

L=531 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 18

L=531 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 20 (symmetric)

L=529 found by Hugo Pfoertner and Markus Sigg 2008 Apr 28 (symmetric)

L=529 found by Hugo Pfoertner and Markus Sigg 2008 Apr 28 (symmetric)

L=523 found by Hugo Pfoertner and Markus Sigg 2008 May 17 (symmetric)

L=520 found by Markus Sigg 2007 Feb 6

L=519 found by Markus Sigg 2008 Mar 19 (symmetric)

L=519 found by Markus Sigg 2008 Mar 19 (symmetric)

L=517 found by Markus Sigg 2006 Dec 8 (symmetric)

L=513 found by Hugo Pfoertner and Markus Sigg 2008 Apr 11 (symmetric)

L=509 found by Hugo Pfoertner 2016 Jan 29

L=508 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 Apr 28

L=506 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 19

L=505 found by Hugo Pfoertner and Markus Sigg 2008 Apr 27 (symmetric)

L=505 found by Hugo Pfoertner and Markus Sigg 2008 Jun 15 (symmetric)

L=505 found by Hugo Pfoertner and Markus Sigg 2008 Jun 23

L=503 found by Hugo Pfoertner and Markus Sigg 2008 Mar 10

L=503 found by Hugo Pfoertner and Markus Sigg 2008 Jun 15 (symmetric)

L=502 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 May 19

L=499 found by Hugo Pfoertner and Markus Sigg 2008 Jun 7 (symmetric)

L=497 found by Hugo Pfoertner and Markus Sigg 2008 Feb 29 (symmetric)

L=495 found by Markus Sigg 2008 Feb 19 (symmetric)

L=493 found by Markus Sigg 2008 Feb 20 (symmetric)

L=472 found by Hugo Pfoertner using programs written by Markus Sigg and Klaus Nagel 2008 Feb 28

L=454 found by Hermann Jurksch 2012 Sep 20 (closed)

L=446 found by Hermann Jurksch 2012 Sep 20 (closed) (symmetric)

L=370 found by Hermann Jurksch 2012 Aug 19 (closed)

L=342 found by Hermann Jurksch 2012 Aug 8 (closed)

L=334 found by Hermann Jurksch 2012 Aug 7 (closed)

L=318 found by Hermann Jurksch 2012 Aug 7 (closed)

L=276 found by Hugo Pfoertner 2012 Aug 2 (closed)