13 August 2022

• curprev 20:1820:18, 13 August 2022 Awu2014 talk contribs m 2,511 bytes 0 →Solution 1

20 December 2020

• curprev 23:2023:20, 20 December 2020 Dandeliondreams talk contribs m 2,511 bytes +19 →Solution 2

28 June 2020

• curprev 23:4323:43, 28 June 2020 Caesarborgia talk contribs 2,492 bytes −21 removed an answer with broken latex, added another solution

29 May 2020

• curprev 15:2615:26, 29 May 2020 Bluejay43 talk contribs 2,513 bytes +34 →Solution 2
• curprev 15:2215:22, 29 May 2020 Bluejay43 talk contribs 2,479 bytes +2 →Solution 2
• curprev 15:2215:22, 29 May 2020 Bluejay43 talk contribs 2,477 bytes −8 →Alternate Solution
• curprev 15:2215:22, 29 May 2020 Bluejay43 talk contribs 2,485 bytes +1 →Solution
• curprev 15:2215:22, 29 May 2020 Bluejay43 talk contribs 2,484 bytes +19 →Solution

16 January 2020

• curprev 13:2713:27, 16 January 2020 N828335 talk contribs 2,465 bytes −28 →Alternate Solution
• curprev 13:2713:27, 16 January 2020 N828335 talk contribs 2,493 bytes +649 Added a simpler solution

8 January 2020

• curprev 20:0320:03, 8 January 2020 Rocket123 talk contribs m 1,844 bytes +51 →Solution

24 December 2017

• curprev 17:0417:04, 24 December 2017 Tigershark22 talk contribs 1,793 bytes −7 →Solution

22 November 2015

• curprev 12:3712:37, 22 November 2015 Daniellionyang talk contribs 1,800 bytes −659 →Solution

2 September 2015

• curprev 21:3221:32, 2 September 2015 Daniellionyang talk contribs 2,459 bytes 0 →Solution

9 February 2015

• curprev 09:3409:34, 9 February 2015 Equationcrunchor talk contribs m 2,459 bytes +8 →Solution

25 December 2013

• curprev 13:4913:49, 25 December 2013 Michelangelo talk contribs 2,451 bytes 0 →Solution
• curprev 13:4813:48, 25 December 2013 Michelangelo talk contribs 2,451 bytes 0 →Solution
• curprev 13:0213:02, 25 December 2013 Michelangelo talk contribs 2,451 bytes −16 →Solution
• curprev 13:0113:01, 25 December 2013 Michelangelo talk contribs 2,467 bytes +6 No edit summary

3 July 2013

• curprev 20:4420:44, 3 July 2013 Nathan wailes talk contribs 2,461 bytes +15 →See also

11 April 2013

• curprev 12:5912:59, 11 April 2013 Bobthesmartypants talk contribs 2,446 bytes +11 →Solution

10 April 2013

• curprev 22:1422:14, 10 April 2013 JWK750 talk contribs 2,435 bytes +27 →See also

7 April 2013

• curprev 09:4209:42, 7 April 2013 JWK750 talk contribs 2,408 bytes +34 →See also

17 February 2012

• curprev 00:3400:34, 17 February 2012 Michelangelo talk contribs 2,374 bytes −139 →Solution

5 February 2012

• curprev 13:5713:57, 5 February 2012 Jhggins talk contribs 2,513 bytes +139 →Solution

6 October 2011

• curprev 22:5022:50, 6 October 2011 Danielguo94 talk contribs 2,374 bytes −2 →Solution

11 February 2009

• curprev 18:3918:39, 11 February 2009 Azjps talk contribs m 2,376 bytes +16 minor
• curprev 18:3918:39, 11 February 2009 Azjps talk contribs 2,360 bytes +2,360 solution by azjps