3 April 2021

• curprev 22:4822:48, 3 April 2021 Tiankaizhang talk contribs 3,326 bytes −323 →Solution 1
• curprev 22:4722:47, 3 April 2021 Tiankaizhang talk contribs 3,649 bytes +323 →Solution 1

16 January 2021

• curprev 15:1915:19, 16 January 2021 Sugar rush talk contribs 3,326 bytes +9 No edit summary

12 January 2021

• curprev 19:1019:10, 12 January 2021 Icematrix talk contribs m 3,317 bytes +61 No edit summary

20 October 2020

• curprev 13:0613:06, 20 October 2020 Dwarf marshmallow talk contribs m 3,256 bytes −6 →Solution 2

9 May 2020

• curprev 19:4419:44, 9 May 2020 Jbala talk contribs 3,262 bytes 0 No edit summary
• curprev 19:4319:43, 9 May 2020 Jbala talk contribs 3,262 bytes +47 No edit summary
• curprev 19:4119:41, 9 May 2020 Jbala talk contribs 3,215 bytes +5 No edit summary

25 January 2020

• curprev 10:2510:25, 25 January 2020 Snoozingnewt talk contribs m 3,210 bytes −6 →See also

26 December 2019

• curprev 13:1013:10, 26 December 2019 Xmidnightfirex talk contribs m 3,216 bytes +2 →Solution

24 December 2018

• curprev 15:2515:25, 24 December 2018 Firebolt360 talk contribs 3,214 bytes −15 →See also
• curprev 15:2415:24, 24 December 2018 Firebolt360 talk contribs 3,229 bytes −13 →Solution 2

2 July 2018

• curprev 12:5312:53, 2 July 2018 Zeric talk contribs 3,242 bytes +996 →Solution

7 January 2018

• curprev 00:0400:04, 7 January 2018 Pulusona talk contribs 2,246 bytes +190 →Solution

12 August 2014

• curprev 10:4210:42, 12 August 2014 H313 talk contribs 2,056 bytes 0 fail switched 23 with 24

12 February 2014

• curprev 22:0522:05, 12 February 2014 Flamedragon talk contribs 2,056 bytes 0 →See also
• curprev 22:0522:05, 12 February 2014 Flamedragon talk contribs 2,056 bytes +11 →See also

4 July 2013

• curprev 10:5910:59, 4 July 2013 Nathan wailes talk contribs 2,045 bytes +15 No edit summary

3 August 2012

• curprev 21:1221:12, 3 August 2012 Haihongjin talk contribs 2,030 bytes −50 →See also
• curprev 21:1021:10, 3 August 2012 Haihongjin talk contribs 2,080 bytes +113 →Solution

30 December 2011

• curprev 22:0622:06, 30 December 2011 Juluqu talk contribs 1,967 bytes +756 Included problem

29 January 2011

• curprev 18:2218:22, 29 January 2011 Flyingpenguin talk contribs 1,211 bytes −1 No edit summary

17 January 2011

• curprev 23:0223:02, 17 January 2011 Flyingpenguin talk contribs 1,212 bytes +1,212 Created page with 'We can find the answer by working backwards. We begin with <math>1-1^2=0</math> on the bottom row, then the <math>1</math> goes to the right of the equal's sign in the row above.…'