Rivers and Islands Sudoku #2 (hard)
| Solver | Solution date |
|---|---|
| steeto | on 3. October 2024, 13:16 |
| susadoraku | on 14. August 2024, 12:01 |
| pentadream | on 7. November 2023, 18:05 |
| Tom-dz | on 25. June 2023, 13:47 |
| pandiani42 | on 20. March 2023, 17:28 |
| OGRussHood | on 22. January 2023, 22:06 |
| Vebby | on 14. April 2022, 00:19 |
| cfop | on 8. November 2021, 04:38 |
| kuzmoyev | on 10. January 2021, 17:44 |
| tinounou | on 13. November 2020, 23:33 |
| polar | on 29. September 2020, 20:06 |
| Tojvoh | on 25. August 2020, 05:35 |
| pepep001 | on 24. August 2020, 20:40 |
| Yohann | on 16. July 2020, 11:42 |
| zhergan | on 2. July 2020, 01:59 |
| 97johny | on 1. July 2020, 20:15 |
| bensc | on 28. June 2020, 11:49 |
| 9797 | on 26. June 2020, 12:22 |
| elspood | on 25. June 2020, 05:18 |
| Lifaja | on 23. June 2020, 00:07 |
| mandourin | on 17. June 2020, 19:13 |
| zorant | on 16. June 2020, 09:11 |
| NikolaZ | on 15. June 2020, 19:56 |
| geronimo92 | on 7. June 2020, 17:33 |
| Uhu | on 1. June 2020, 04:12 |
| pdebruine | on 30. May 2020, 18:05 |
| Madmahogany | on 30. May 2020, 15:09 |
| MumboJumbo | on 30. May 2020, 13:14 |
| Mody | on 30. May 2020, 09:55 |
| sfumato | on 30. May 2020, 02:51 |
| Eggr | on 30. May 2020, 01:20 |
| 0123coolkid | on 29. May 2020, 22:43 |
| BcVcB | on 29. May 2020, 12:01 |
| japoorva | on 28. May 2020, 20:52 |
| marcmees | on 28. May 2020, 19:14 |
| cdwg2000 | on 28. May 2020, 05:00 |
| SirWoezel | on 27. May 2020, 23:42 |
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