1 November 2022

• curprev 07:1307:13, 1 November 2022 Pluginl talk contribs 491 bytes −70 →Solution Outline
• curprev 07:1307:13, 1 November 2022 Pluginl talk contribs 561 bytes −336 →Problem

25 October 2013

• curprev 12:3712:37, 25 October 2013 NewAlbionAcademy talk contribs 897 bytes +83 No edit summary

5 May 2008

• curprev 10:1610:16, 5 May 2008 1=2 talk contribs 814 bytes +271 A better incomplete solution.

17 November 2007

• curprev 21:3321:33, 17 November 2007 Temperal talk contribs 543 bytes +34 incomplete

8 October 2007

• curprev 11:1211:12, 8 October 2007 1=2 talk contribs 509 bytes +177 No edit summary

7 February 2007

• curprev 18:4918:49, 7 February 2007 Azjps talk contribs m 332 bytes 0 →See also: .. counting ..
• curprev 18:4918:49, 7 February 2007 Azjps talk contribs m 332 bytes +42 →See also: box

6 September 2006

• curprev 19:4819:48, 6 September 2006 Boy Soprano II talk contribs 290 bytes +14 No edit summary

4 September 2006

• curprev 13:1913:19, 4 September 2006 Boy Soprano II talk contribs 276 bytes +46 Categorization

28 July 2006

• curprev 19:3219:32, 28 July 2006 Chess64 talk contribs m 230 bytes 0 2005 Canadian MO/Problem 4 moved to 2005 Canadian MO Problems/Problem 4
• curprev 17:5317:53, 28 July 2006 Chess64 talk contribs 230 bytes +230 No edit summary