11 July 2023

• curprev 08:0208:02, 11 July 2023 Extremelysupercooldude talk contribs 6,838 bytes +1 →Problem 4

16 May 2022

• curprev 18:3718:37, 16 May 2022 Gougutheorem talk contribs 6,837 bytes +2 →Problem 15

22 June 2021

• curprev 11:2711:27, 22 June 2021 Donutvan talk contribs m 6,835 bytes +7 Minor text formatting fix

19 February 2019

• curprev 20:1420:14, 19 February 2019 P groudon talk contribs 6,828 bytes +95 No edit summary

29 September 2017

• curprev 11:0711:07, 29 September 2017 Blackhawk talk contribs 6,733 bytes +1 No edit summary

31 May 2017

• curprev 17:4917:49, 31 May 2017 First talk contribs 6,732 bytes −66 →Problem 15

30 July 2015

• curprev 14:0714:07, 30 July 2015 Rahulkk talk contribs m 6,798 bytes 0 Added a question mark at the end of the question.

16 July 2015

• curprev 19:3719:37, 16 July 2015 ZekromReshiram talk contribs 6,798 bytes −2 No edit summary

4 July 2013

• curprev 19:3819:38, 4 July 2013 Nathan wailes talk contribs 6,800 bytes +15 No edit summary

7 May 2011

• curprev 22:4522:45, 7 May 2011 Mathgeek2006 talk contribs m 6,785 bytes 0 →Problem 15

28 March 2010

• curprev 23:4223:42, 28 March 2010 Yankeesrule007 talk contribs m 6,785 bytes −1 →Problem 2

2 January 2009

• curprev 17:2417:24, 2 January 2009 Azjps talk contribs m 6,786 bytes +1 No edit summary
• curprev 17:2317:23, 2 January 2009 Azjps talk contribs m 6,785 bytes +33 No edit summary

25 January 2008

• curprev 14:0614:06, 25 January 2008 Anonymous03 talk contribs 6,752 bytes 0 →Problem 6

21 November 2007

• curprev 13:3113:31, 21 November 2007 Minsoens talk contribs 6,752 bytes +5,316 No edit summary

15 September 2007

• curprev 13:3413:34, 15 September 2007 Abacadaea talk contribs 1,436 bytes +155 →Problem 2
• curprev 13:3213:32, 15 September 2007 Abacadaea talk contribs 1,281 bytes +184 →Problem 1

9 July 2006

• curprev 09:4809:48, 9 July 2006 Joml88 talk contribs 1,097 bytes +1,097 No edit summary