25 June 2023

• curprev 22:1122:11, 25 June 2023 Eevee9406 talk contribs 1,851 bytes +257 Latex + polishing

14 January 2023

• curprev 16:2416:24, 14 January 2023 Ethanspoon talk contribs 1,594 bytes 0 →Solution 1

27 June 2022

• curprev 21:2921:29, 27 June 2022 Quantomaticguy talk contribs 1,594 bytes +580 →Solution

4 July 2013

• curprev 18:1818:18, 4 July 2013 Nathan wailes talk contribs 1,014 bytes +15 No edit summary

7 September 2011

• curprev 23:5823:58, 7 September 2011 Danielguo94 talk contribs 999 bytes −40 →Solution
• curprev 23:5723:57, 7 September 2011 Danielguo94 talk contribs 1,039 bytes +26 →Solution
• curprev 23:5723:57, 7 September 2011 Danielguo94 talk contribs 1,013 bytes −1 →Solution
• curprev 23:5723:57, 7 September 2011 Danielguo94 talk contribs 1,014 bytes +14 →Solution
• curprev 23:5723:57, 7 September 2011 Danielguo94 talk contribs 1,000 bytes +10 →Solution

2 March 2007

• curprev 00:1700:17, 2 March 2007 Minsoens talk contribs m 990 bytes +27 →See also

25 February 2007

• curprev 21:5521:55, 25 February 2007 JBL talk contribs m 963 bytes +44 Solution should be edited
• curprev 21:1621:16, 25 February 2007 Nrz talk contribs 919 bytes +631 No edit summary
• curprev 21:0921:09, 25 February 2007 Nrz talk contribs 288 bytes +196 →Problem

20 January 2007

• curprev 16:3616:36, 20 January 2007 Minsoens talk contribs 92 bytes +22 No edit summary

9 July 2006

• curprev 17:1517:15, 9 July 2006 Joml88 talk contribs 70 bytes +70 No edit summary