22 September 2023

• curprev 01:0601:06, 22 September 2023 Jingyizou talk contribs 3,186 bytes +8 →Solution 2
• curprev 01:0501:05, 22 September 2023 Jingyizou talk contribs 3,178 bytes 0 →Solution 2
• curprev 01:0401:04, 22 September 2023 Jingyizou talk contribs 3,178 bytes −2 →Solution
• curprev 01:0401:04, 22 September 2023 Jingyizou talk contribs 3,180 bytes +13 →Solution
• curprev 01:0301:03, 22 September 2023 Jingyizou talk contribs 3,167 bytes +1,089 →Solution

4 July 2013

• curprev 18:2618:26, 4 July 2013 Nathan wailes talk contribs 2,078 bytes +15 No edit summary

26 March 2009

• curprev 14:1914:19, 26 March 2009 Math154 talk contribs m 2,063 bytes +141 →Solution

20 April 2008

• curprev 16:4416:44, 20 April 2008 Azjps talk contribs 1,922 bytes +1,278 a bit lazy right now .. solution by 4everwise

25 March 2007

• curprev 23:1523:15, 25 March 2007 Minsoens talk contribs m 644 bytes −90 →See also
• curprev 23:1523:15, 25 March 2007 Minsoens talk contribs m 734 bytes +537 No edit summary

11 November 2006

• curprev 13:2213:22, 11 November 2006 JBL talk contribs m 197 bytes +127 No edit summary

9 July 2006

• curprev 17:2717:27, 9 July 2006 Joml88 talk contribs 70 bytes +70 No edit summary