9 August 2025

• curprev 01:3901:39, 9 August 2025 Dondee123 talk contribs 5,534 bytes +1 →Solution 1
• curprev 01:3901:39, 9 August 2025 Dondee123 talk contribs 5,533 bytes +30 →Solution 1

25 July 2025

• curprev 03:3403:34, 25 July 2025 Mathking555 talk contribs 5,503 bytes +1,476 →Solution

2 December 2024

• curprev 11:0711:07, 2 December 2024 Ronnie 735 talk contribs m 4,027 bytes +2 →Solution 4

28 November 2023

• curprev 23:1123:11, 28 November 2023 Daremo talk contribs m 4,025 bytes +1 No edit summary

19 November 2022

• curprev 20:5520:55, 19 November 2022 Williamschen talk contribs m 4,024 bytes +18 Some LaTeX edits.

1 July 2021

• curprev 21:1621:16, 1 July 2021 Dottedcaculator talk contribs m 4,006 bytes +2 →Solution 4

29 August 2020

• curprev 19:4819:48, 29 August 2020 Ilikeapos talk contribs 4,004 bytes −19 →Solution 4
• curprev 19:4719:47, 29 August 2020 Ilikeapos talk contribs 4,023 bytes +13 →Solution 4
• curprev 19:4619:46, 29 August 2020 Ilikeapos talk contribs 4,010 bytes +905 →Solution 3

22 August 2020

• curprev 15:4315:43, 22 August 2020 Jbala talk contribs 3,105 bytes +71 No edit summary

4 July 2020

• curprev 12:0912:09, 4 July 2020 Anellipticcurveoverq talk contribs 3,034 bytes +1,018 No edit summary

17 January 2020

• curprev 11:5111:51, 17 January 2020 Vedadehhc talk contribs m 2,016 bytes −3 →Solution 2

9 August 2019

• curprev 01:3601:36, 9 August 2019 Jatsing talk contribs 2,019 bytes −13 →Solution 2
• curprev 01:3601:36, 9 August 2019 Jatsing talk contribs 2,032 bytes +8 →Solution 2
• curprev 01:3501:35, 9 August 2019 Jatsing talk contribs 2,024 bytes +2 →Solution 2
• curprev 01:3401:34, 9 August 2019 Jatsing talk contribs 2,022 bytes −3 →Solution 2
• curprev 01:3401:34, 9 August 2019 Jatsing talk contribs 2,025 bytes +2 →Solution 2
• curprev 01:3301:33, 9 August 2019 Jatsing talk contribs 2,023 bytes +7 →Solution 2

17 August 2017

• curprev 08:0408:04, 17 August 2017 StellarG talk contribs m 2,016 bytes +11 →Solution 2

4 July 2013

• curprev 19:0919:09, 4 July 2013 Nathan wailes talk contribs 2,005 bytes +15 No edit summary

8 September 2009

• curprev 18:4918:49, 8 September 2009 JBL talk contribs m 1,990 bytes −79 No edit summary

15 March 2007

• curprev 18:1318:13, 15 March 2007 Azjps talk contribs 2,069 bytes +1,020 + my solution (I have a feeling I did something wrong though, since I only got one possible solution)
• curprev 08:2608:26, 15 March 2007 Calc rulz talk contribs 1,049 bytes +10 No edit summary
• curprev 08:2408:24, 15 March 2007 Calc rulz talk contribs 1,039 bytes +360 No edit summary

14 March 2007

• curprev 19:2719:27, 14 March 2007 Azjps talk contribs m 679 bytes +679 incomplete solution