24 February 2025

• curprev 17:4417:44, 24 February 2025 Charking talk contribs m 10,505 bytes +1 Formatting
• curprev 17:4217:42, 24 February 2025 Charking talk contribs 10,504 bytes −44 Formatting

30 June 2021

• curprev 13:5613:56, 30 June 2021 Th1nq3r talk contribs 10,548 bytes −11 →Solution 4
• curprev 13:5513:55, 30 June 2021 Th1nq3r talk contribs 10,559 bytes 0 →Solution 4

14 April 2017

• curprev 17:2817:28, 14 April 2017 UltimateChampion1235 talk contribs m 10,559 bytes +2 →Solution 1

7 August 2014

• curprev 07:5707:57, 7 August 2014 5849206328x talk contribs 10,557 bytes +2,772 →Solutions: official solution
• curprev 07:3307:33, 7 August 2014 5849206328x talk contribs m 7,785 bytes +62 →Solution
• curprev 04:3104:31, 7 August 2014 5849206328x talk contribs m 7,723 bytes 0 →Problem
• curprev 04:1204:12, 7 August 2014 5849206328x talk contribs m 7,723 bytes +112 →See also
• curprev 04:1004:10, 7 August 2014 5849206328x talk contribs m 7,611 bytes +10 →Problem

4 July 2013

• curprev 12:4212:42, 4 July 2013 Nathan wailes talk contribs 7,601 bytes +15 No edit summary

15 April 2013

• curprev 12:1412:14, 15 April 2013 Yrushi talk contribs 7,586 bytes −38 No edit summary

17 May 2007

• curprev 16:3116:31, 17 May 2007 Acdong talk contribs m 7,624 bytes +18 →Solution 1

4 May 2007

• curprev 16:2916:29, 4 May 2007 Azjps talk contribs m 7,606 bytes +193 →Solution 3 (Generalization): tex, typo

27 April 2007

• curprev 18:3018:30, 27 April 2007 JSteinhardt talk contribs 7,413 bytes +1,975 →Solution

26 April 2007

• curprev 19:0019:00, 26 April 2007 Azjps talk contribs m 5,438 bytes +4 →Solution 1: i should read the solution 1st..
• curprev 15:2615:26, 26 April 2007 Azjps talk contribs m 5,434 bytes +57 →Solution 2: wik
• curprev 15:2415:24, 26 April 2007 Azjps talk contribs 5,377 bytes +342 →Solution 1: add images to illustrate solution
• curprev 15:0915:09, 26 April 2007 Azjps talk contribs 5,035 bytes +613 images to come

25 April 2007

• curprev 23:5823:58, 25 April 2007 Altheman talk contribs 4,422 bytes +2,130 →Solution
• curprev 21:0821:08, 25 April 2007 Calc rulz talk contribs 2,292 bytes −128 →Solution
• curprev 21:0621:06, 25 April 2007 Calc rulz talk contribs 2,420 bytes −5 →Solution
• curprev 21:0521:05, 25 April 2007 Calc rulz talk contribs 2,425 bytes +1,460 →Solution
• curprev 20:4620:46, 25 April 2007 Azjps talk contribs m 965 bytes +93 →Solution: will type up soon
• curprev 19:1319:13, 25 April 2007 Themonster talk contribs 872 bytes +1 →Solution
• curprev 19:1319:13, 25 April 2007 Themonster talk contribs 871 bytes +33 →Solution
• curprev 17:1017:10, 25 April 2007 DPatrick talk contribs m 838 bytes +1 No edit summary
• curprev 17:0517:05, 25 April 2007 DPatrick talk contribs 837 bytes +749 No edit summary
• curprev 16:0916:09, 25 April 2007 DPatrick talk contribs 88 bytes +88 No edit summary