9 June 2025

• curprev 12:3712:37, 9 June 2025 Anshu842 talk contribs 13,602 bytes +8 →Solution 4

11 October 2024

• curprev 16:2416:24, 11 October 2024 Doctor seventeen talk contribs 13,594 bytes −16 →Solution 2

6 February 2024

• curprev 00:2200:22, 6 February 2024 Dolphin7 talk contribs 13,610 bytes −19 →Solution 3

2 November 2022

• curprev 06:3906:39, 2 November 2022 Miguel00 talk contribs 13,629 bytes −24 →Solution 1

1 August 2022

• curprev 18:0918:09, 1 August 2022 Nezha33 talk contribs m 13,653 bytes −1 →See Also

30 July 2022

• curprev 12:3712:37, 30 July 2022 Andrew0701 talk contribs m 13,654 bytes +24 →Solution 1

20 January 2021

• curprev 16:0016:00, 20 January 2021 Lnzhonglp talk contribs m 13,630 bytes −36 →Solution 1
• curprev 15:5915:59, 20 January 2021 Lnzhonglp talk contribs m 13,666 bytes +32 →Solution 1

21 November 2020

• curprev 22:5222:52, 21 November 2020 Puffer13 talk contribs m 13,634 bytes −25 →Problem
• curprev 22:5122:51, 21 November 2020 Puffer13 talk contribs m 13,659 bytes +25 →Problem

27 April 2020

• curprev 05:1605:16, 27 April 2020 Ak2006 talk contribs 13,634 bytes −13 →Video Solution by Richard Rusczyk

4 April 2020

• curprev 15:3415:34, 4 April 2020 Dolphin7 talk contribs 13,647 bytes −1 →Solution 3
• curprev 15:3415:34, 4 April 2020 Dolphin7 talk contribs 13,648 bytes −6 →Solution 3
• curprev 15:2815:28, 4 April 2020 Dolphin7 talk contribs 13,654 bytes +97 No edit summary

22 January 2020

• curprev 00:2900:29, 22 January 2020 Relay400 talk contribs m 13,557 bytes −21 Be proper.

26 December 2019

• curprev 12:3312:33, 26 December 2019 Rekt4 talk contribs 13,578 bytes −5 →Solution 1

23 December 2019

• curprev 13:2913:29, 23 December 2019 Krishnaveni27 talk contribs 13,583 bytes +6 →Solution 4
• curprev 13:2813:28, 23 December 2019 Krishnaveni27 talk contribs 13,577 bytes 0 →Solution 1

14 September 2019

• curprev 16:0116:01, 14 September 2019 Justkeeprunning talk contribs 13,577 bytes +2 →Solution 1
• curprev 07:5007:50, 14 September 2019 Justkeeprunning talk contribs 13,575 bytes +6 →Solution 1

28 August 2019

• curprev 07:3107:31, 28 August 2019 Fidgetboss 4000 talk contribs m 13,569 bytes +1,380 No edit summary

1 August 2018

• curprev 22:0722:07, 1 August 2018 Euler14 talk contribs 12,189 bytes +2 →Solution 2

17 July 2017

• curprev 16:2116:21, 17 July 2017 Wwilliamtang talk contribs m 12,187 bytes −18 →See Also

26 June 2017

• curprev 21:4321:43, 26 June 2017 Mamis511 talk contribs m 12,205 bytes +19 →See Also

4 June 2017

• curprev 22:2422:24, 4 June 2017 Jamess1964352660 talk contribs 12,186 bytes +4 →Solution 1

5 February 2017

• curprev 21:2621:26, 5 February 2017 Pretzel talk contribs 12,182 bytes −31 →Solution 3

14 January 2017

• curprev 10:4310:43, 14 January 2017 Luckylw talk contribs 12,213 bytes −3 No edit summary

3 December 2016

• curprev 19:5919:59, 3 December 2016 E power pi times i talk contribs 12,216 bytes +554 →Solution II

28 January 2016

• curprev 19:1619:16, 28 January 2016 Rachanamadhu talk contribs 11,662 bytes −65 →Solution II
• curprev 19:1419:14, 28 January 2016 Rachanamadhu talk contribs 11,727 bytes −5 →Solution I
• curprev 19:1319:13, 28 January 2016 Rachanamadhu talk contribs 11,732 bytes −40 →Solution I
• curprev 19:1119:11, 28 January 2016 Rachanamadhu talk contribs 11,772 bytes −20 →Solution I

28 January 2015

• curprev 15:4815:48, 28 January 2015 Equationcrunchor talk contribs m 11,792 bytes 0 →Solution I: some typo fixes

30 January 2014

• curprev 10:2510:25, 30 January 2014 Drywood talk contribs m 11,792 bytes +1 →Solution II

3 January 2014

• curprev 20:1720:17, 3 January 2014 LUO9138 talk contribs 11,791 bytes −7 →Solution I
• curprev 20:1620:16, 3 January 2014 LUO9138 talk contribs 11,798 bytes −2 →Solution II
• curprev 20:1620:16, 3 January 2014 LUO9138 talk contribs 11,800 bytes −14 →Solutions
• curprev 20:1620:16, 3 January 2014 LUO9138 talk contribs m 11,814 bytes −3 →Solution I
• curprev 19:3019:30, 3 January 2014 LUO9138 talk contribs 11,817 bytes +53 →Solution II
• curprev 19:2819:28, 3 January 2014 LUO9138 talk contribs 11,764 bytes +38 →Solution I

4 July 2013

• curprev 11:0511:05, 4 July 2013 Nathan wailes talk contribs 11,726 bytes +15 No edit summary

19 March 2012

• curprev 02:4002:40, 19 March 2012 Lww talk contribs 11,711 bytes +1 →Solution II

17 March 2012

• curprev 05:0105:01, 17 March 2012 Lww talk contribs 11,710 bytes +11 →Appendix
• curprev 04:5904:59, 17 March 2012 Lww talk contribs 11,699 bytes +32 →Appendix

16 March 2012

• curprev 16:1516:15, 16 March 2012 Minsoens talk contribs 11,667 bytes +1,389 →Appendix
• curprev 08:4408:44, 16 March 2012 Lww talk contribs 10,278 bytes +2 →Solution II
• curprev 07:0307:03, 16 March 2012 Lww talk contribs 10,276 bytes 0 →Solution 1
• curprev 07:0107:01, 16 March 2012 Lww talk contribs 10,276 bytes +2,055 →Solution II
• curprev 06:5906:59, 16 March 2012 Lww talk contribs 8,221 bytes −1,954 →Solution II
• curprev 06:5706:57, 16 March 2012 Lww talk contribs 10,175 bytes +2,816 →Solution II