6 August 2025

• curprev 12:4312:43, 6 August 2025 Mathman645 talk contribs m 9,314 bytes +1 →Solution 4(Similar to Solution 2)

18 July 2025

• curprev 15:5815:58, 18 July 2025 Ilikemath247365 talk contribs 9,313 bytes +7 →Solution 4(Similar to Solution 2)
• curprev 15:5815:58, 18 July 2025 Ilikemath247365 talk contribs 9,306 bytes +3,017 →Solution 3

6 October 2024

• curprev 18:5518:55, 6 October 2024 Stemivy1 talk contribs m 6,289 bytes +91 No edit summary

1 September 2024

• curprev 08:1808:18, 1 September 2024 Lord erty09 talk contribs 6,198 bytes +15 →Problem
• curprev 08:1808:18, 1 September 2024 Lord erty09 talk contribs 6,183 bytes −15 →Problem

29 December 2023

• curprev 21:1921:19, 29 December 2023 Eddy12597 talk contribs m 6,198 bytes +76 →Solution 1

12 November 2023

• curprev 10:1810:18, 12 November 2023 Varyan talk contribs m 6,122 bytes +7 →Solution 1

28 June 2023

• curprev 11:3211:32, 28 June 2023 Extremelysupercooldude talk contribs 6,115 bytes +491 →Solution 1

22 April 2023

• curprev 12:3112:31, 22 April 2023 Megaboy6679 talk contribs 5,624 bytes −126 No edit summary

13 July 2021

• curprev 14:1814:18, 13 July 2021 Mobius247 talk contribs 5,750 bytes −2 →Solution 1

9 September 2020

• curprev 09:3809:38, 9 September 2020 Alicew123 talk contribs m 5,752 bytes −9 →Solution 3
• curprev 09:3809:38, 9 September 2020 Alicew123 talk contribs 5,761 bytes +5 →Solution 3
• curprev 09:3509:35, 9 September 2020 Alicew123 talk contribs 5,756 bytes −13 →Solution 3
• curprev 09:3509:35, 9 September 2020 Alicew123 talk contribs 5,769 bytes +1 →Solution 3
• curprev 09:3309:33, 9 September 2020 Alicew123 talk contribs 5,768 bytes −4 →Solution 3
• curprev 09:3309:33, 9 September 2020 Alicew123 talk contribs m 5,772 bytes +8 →Solution 3

8 August 2020

• curprev 14:5014:50, 8 August 2020 Yeskay talk contribs 5,764 bytes +169 →Solution 1

20 April 2020

• curprev 22:5822:58, 20 April 2020 Jbala talk contribs 5,595 bytes +51 No edit summary

8 January 2020

• curprev 19:4719:47, 8 January 2020 Bjhhar talk contribs 5,544 bytes +1,199 No edit summary
• curprev 19:3719:37, 8 January 2020 Bjhhar talk contribs 4,345 bytes +1 No edit summary

27 December 2019

• curprev 17:0417:04, 27 December 2019 Swim2433 talk contribs m 4,344 bytes +2 →Problem: 20

30 November 2019

• curprev 13:0013:00, 30 November 2019 Cowcow talk contribs m 4,342 bytes −54 No edit summary

27 November 2019

• curprev 19:5319:53, 27 November 2019 Klbbc talk contribs 4,396 bytes +3 →Hint

13 September 2019

• curprev 14:4314:43, 13 September 2019 Justkeeprunning talk contribs 4,393 bytes −22 →Solution 1
• curprev 14:4214:42, 13 September 2019 Justkeeprunning talk contribs 4,415 bytes −3 →Solution 1
• curprev 14:4114:41, 13 September 2019 Justkeeprunning talk contribs 4,418 bytes +25 No edit summary

8 September 2019

• curprev 16:5516:55, 8 September 2019 Firebolt360 talk contribs 4,393 bytes −29 →Solution 1
• curprev 16:5416:54, 8 September 2019 Firebolt360 talk contribs 4,422 bytes +28 →Solution 1
• curprev 16:5216:52, 8 September 2019 Firebolt360 talk contribs 4,394 bytes +51 →Problem

5 February 2019

• curprev 19:5119:51, 5 February 2019 Nathan1 talk contribs m 4,343 bytes +36 →Solution 2

16 January 2018

• curprev 12:5612:56, 16 January 2018 Kbko1234oos talk contribs m 4,307 bytes +1 →Solution 2
• curprev 12:4912:49, 16 January 2018 Kbko1234oos talk contribs m 4,306 bytes +12 →Solution 2

15 January 2018

• curprev 15:2615:26, 15 January 2018 Gamemaster402 talk contribs 4,294 bytes −8 →Solution

10 January 2018

• curprev 20:0520:05, 10 January 2018 Gamemaster402 talk contribs 4,302 bytes +2,494 →Solution

4 July 2013

• curprev 08:5708:57, 4 July 2013 Nathan wailes talk contribs 1,808 bytes +15 →See Also

17 March 2013

• curprev 14:3814:38, 17 March 2013 DanielHendrycks talk contribs m 1,793 bytes −8 better typesetting of 3 by 3

4 January 2013

• curprev 10:5310:53, 4 January 2013 SuperSnivy talk contribs 1,801 bytes 0 →Solution

28 December 2012

• curprev 18:2718:27, 28 December 2012 Gengkev talk contribs 1,801 bytes +31 →Solution

12 February 2012

• curprev 13:3513:35, 12 February 2012 Gina talk contribs 1,770 bytes +152 No edit summary

9 February 2012

• curprev 00:2700:27, 9 February 2012 Gina talk contribs 1,618 bytes +930 No edit summary

8 February 2012

• curprev 21:4821:48, 8 February 2012 Ace316 talk contribs 688 bytes +688 Created page with "==Problem 20== A <math>3</math> x <math>3</math> square is partitioned into <math>9</math> unit squares. Each unit square is painted either white or black with each color being ..."