Four Colour Theorem
| Solver | Solution date |
|---|---|
| Dfalt1318 | on 27. September 2024, 20:40 |
| ahmadasiabi | on 25. September 2024, 11:59 |
| SudokuHero | on 15. September 2024, 16:43 |
| NEWS | on 29. August 2024, 16:41 |
| Puzpensu | on 9. August 2024, 18:55 |
| Felis_Timon | on 16. July 2024, 18:39 |
| EmanueleFWM | on 20. June 2024, 12:30 |
| lpq29743 | on 13. June 2024, 13:21 |
| widjo | on 25. May 2024, 06:58 |
| vgdominion | on 14. May 2024, 23:48 |
| dimension7 | on 11. April 2024, 06:07 |
| IYD | on 18. March 2024, 04:14 |
| GeorgeTheToad2 | on 10. February 2024, 18:32 |
| starelev5 | on 7. January 2024, 03:49 |
| sashay42 | on 12. November 2023, 00:39 |
| P12345 | on 5. November 2023, 22:14 |
| TitaniaLowe | on 1. November 2023, 00:41 |
| Fool on Hill | on 17. September 2023, 18:03 |
| Wooden_Picks | on 26. August 2023, 03:49 |
| Swafnan | on 24. August 2023, 13:15 |
| h5663454 | on 4. August 2023, 13:48 |
| tesseralis | on 13. July 2023, 08:21 |
| konklone | on 10. July 2023, 00:11 |
| shedarshian | on 14. June 2023, 03:55 |
| Statistica | on 13. June 2023, 16:25 |
| Counterfeitly | on 8. June 2023, 23:04 |
| Awedish | on 4. June 2023, 07:03 |
| Flambierter Flamingo | on 3. June 2023, 16:51 |
| pkp | on 8. April 2023, 20:23 |
| lerroyy | on 31. March 2023, 19:53 |
| danfs | on 10. March 2023, 06:34 |
| dawntreader | on 12. February 2023, 00:09 |
| TobsRivers | on 14. January 2023, 16:09 |
| thl1211 | on 5. December 2022, 10:33 |
| Lavender Gooms | on 2. December 2022, 07:57 |
| Alfred | on 24. November 2022, 22:39 |
| misko | on 7. November 2022, 20:56 |
| Uhu | on 7. November 2022, 08:26 |
| michaal94 | on 1. November 2022, 01:11 |
| Blake Saligia | on 22. October 2022, 19:00 |
| Mikemerin | on 18. October 2022, 20:16 |
| vidarino | on 18. October 2022, 19:47 |
| Vebby | on 17. October 2022, 13:03 |
| Xendari | on 2. October 2022, 06:58 |
| Sewerin | on 28. September 2022, 01:42 |
| koosvary | on 26. September 2022, 20:12 |
| tinounou | on 23. September 2022, 15:45 |
| the_cogito | on 21. September 2022, 18:09 |
| dogfarts | on 20. September 2022, 04:19 |
| Agent | on 19. September 2022, 02:45 |
| geronimo92 | on 18. September 2022, 16:08 |
| Uhtoff | on 17. September 2022, 01:29 |
| SHERAX | on 16. September 2022, 23:25 |
| Innocuous | on 14. September 2022, 01:03 |
| juventino188 | on 13. September 2022, 23:45 |
| Beanie | on 13. September 2022, 15:13 |
| Nylimb | on 13. September 2022, 02:08 |
| derKrampus | on 12. September 2022, 21:18 |
| pianobarry87 | on 12. September 2022, 19:38 |
| Siebuhh | on 12. September 2022, 17:02 |
| Crusader175 | on 12. September 2022, 11:05 |
| Skeime | on 12. September 2022, 07:32 |
| Gliperal | on 12. September 2022, 06:37 |
| SSG | on 12. September 2022, 04:00 |
| SimplePurpleFrog | on 12. September 2022, 03:16 |
| Azireo | on 12. September 2022, 00:24 |
| thoughtbyte | on 11. September 2022, 23:23 |
| fjam | on 11. September 2022, 22:55 |
| PulverizingPancake | on 11. September 2022, 22:34 |
| Martijn314 | on 26. August 2022, 11:52 |
| MxTery | on 22. August 2022, 06:40 |
| Gnosis66 | on 22. July 2022, 23:52 |
| TotallyNormalCat | on 12. July 2022, 00:47 |
| Niverio | on 11. July 2022, 19:16 |
| RJBlarmo | on 7. July 2022, 10:00 |
| cdwg2000 | on 12. June 2022, 16:45 |
| smckinley | on 10. June 2022, 09:01 |
| dante1 | on 23. May 2022, 05:43 |
| OGRussHood | on 4. May 2022, 02:10 |
| jkuo7 | on 10. April 2022, 14:43 |
| Silverstep | on 2. April 2022, 04:22 |
| Ormstunge | on 2. April 2022, 00:03 |
| polar | on 30. March 2022, 17:18 |
| ns08 | on 28. March 2022, 22:31 |
| 10feet | on 23. March 2022, 21:02 |
| Krokant | on 23. March 2022, 19:37 |
| marcmees | on 22. March 2022, 21:49 |
| hurrdurr | on 22. March 2022, 15:00 |
| rmn | on 22. March 2022, 05:56 |
| KNT | on 21. March 2022, 21:50 |
| SudokuExplorer | on 21. March 2022, 17:21 |
| Franjo | on 21. March 2022, 14:50 |
| henrypijames | on 21. March 2022, 06:17 |
| zuzanina | on 20. March 2022, 19:17 |
| DiMono | on 20. March 2022, 19:15 |
| brimmy | on 20. March 2022, 08:41 |
| Elliptical | on 20. March 2022, 05:44 |
| bigger | on 20. March 2022, 04:33 |
| MagnusJosefsson | on 19. March 2022, 23:41 |
| twobear | on 19. March 2022, 18:16 |
| Jesper | on 19. March 2022, 17:16 |
| kolot | on 19. March 2022, 15:24 |
| Dandelo | on 19. March 2022, 15:13 |
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