18 October 2025

• curprev 16:5816:58, 18 October 2025 Mathloveryeah talk contribs 2,488 bytes +44 →See Also

18 June 2022

• curprev 20:1320:13, 18 June 2022 Erics son07 talk contribs 2,444 bytes +8 →Solution 4 (answer choices)

14 June 2022

• curprev 22:3422:34, 14 June 2022 Erics son07 talk contribs 2,436 bytes +342 →Solution 3 (not rigorous)

21 April 2022

• curprev 07:2607:26, 21 April 2022 Lvluo talk contribs m 2,094 bytes −17 →Solution 1

18 April 2022

• curprev 21:1221:12, 18 April 2022 Lvluo talk contribs 2,111 bytes +21 →Solution 3 (not rigorous)
• curprev 21:1121:11, 18 April 2022 Lvluo talk contribs 2,090 bytes +23 →Solution 2 - Trial and Error
• curprev 21:1121:11, 18 April 2022 Lvluo talk contribs 2,067 bytes −12 →Solution 1

28 September 2021

• curprev 10:4910:49, 28 September 2021 Dramaticflosskid talk contribs m 2,079 bytes +8 →Solution 1

24 December 2020

• curprev 15:0915:09, 24 December 2020 Alancenwang talk contribs 2,071 bytes 0 No edit summary
• curprev 15:0915:09, 24 December 2020 Alancenwang talk contribs 2,071 bytes +15 No edit summary

10 February 2019

• curprev 14:2914:29, 10 February 2019 Aops19 talk contribs 2,056 bytes +3 →Solution 3

22 October 2018

• curprev 22:4822:48, 22 October 2018 Blossomstream talk contribs m 2,053 bytes +1 →Solution 3

20 November 2016

• curprev 14:3014:30, 20 November 2016 Hyxue talk contribs m 2,052 bytes +4 →Solution 1 - Trial Error

22 February 2016

• curprev 10:1010:10, 22 February 2016 Ghghghghghghghgh talk contribs 2,048 bytes +7 →Solution 2
• curprev 10:0910:09, 22 February 2016 Ghghghghghghghgh talk contribs 2,041 bytes 0 →Solution 1 - Trial Error
• curprev 10:0910:09, 22 February 2016 Ghghghghghghghgh talk contribs 2,041 bytes +1 →Solution 1 - Trial Error
• curprev 02:4302:43, 22 February 2016 Zimbalono talk contribs 2,040 bytes +680 better solution

21 February 2016

• curprev 19:4619:46, 21 February 2016 Bomb427006 talk contribs 1,360 bytes +38 →Solution 2
• curprev 19:4119:41, 21 February 2016 Bomb427006 talk contribs 1,322 bytes +437 →Solution 1 - Trial Error
• curprev 12:2712:27, 21 February 2016 Adihaya talk contribs 885 bytes +341 →Solution added
• curprev 12:1112:11, 21 February 2016 Akaashp11 talk contribs 544 bytes +92 →Problem
• curprev 08:3408:34, 21 February 2016 Mathlogin talk contribs 452 bytes +452 Created page with "==Problem== All the numbers <math>1, 2, 3, 4, 5, 6, 7, 8, 9</math> are written in a <math>3\times3</math> array of squares, one number in each square, in such a way that if t..."