Quadruple Sudoku with Renban Groups
| Solver | Solution date |
|---|---|
| Matt | on 11. January 2020, 18:06 |
| Nothere | on 2. September 2019, 17:12 |
| skywalker | on 31. August 2019, 08:27 |
| Thomster | on 8. November 2017, 15:55 |
| skypper | on 10. April 2017, 22:08 |
| sf2l | on 3. April 2017, 10:29 |
| marsigel | on 1. January 2017, 10:30 |
| Carolin | on 29. September 2016, 19:21 |
| Uhu | on 28. August 2016, 22:02 |
| tuace | on 10. July 2016, 14:31 |
| Joe Average | on 17. August 2015, 02:03 |
| crissu | on 27. July 2015, 17:46 |
| marcmees | on 27. December 2014, 16:48 |
| Babsi | on 3. September 2014, 18:07 |
| KlausRG | on 17. July 2014, 21:09 |
| ch1983 | on 7. May 2014, 19:09 |
| ildiko | on 7. September 2013, 23:43 |
| AnnaTh | on 18. November 2012, 08:46 |
| MiR | on 17. August 2012, 01:17 |
| Kekes | on 20. June 2012, 22:12 |
| Zzzyxas | on 25. October 2011, 23:25 |
| dm_litv | on 21. October 2011, 13:41 |
| joyal | on 27. April 2011, 12:18 |
| pin7guin | on 23. March 2011, 13:03 |
| rimodech | on 11. February 2011, 11:10 |
| geibthor | on 23. January 2011, 23:48 |
| Mitchsa | on 12. October 2010, 15:36 |
| zorant | on 1. October 2010, 17:11 |
| cornuto | on 23. September 2010, 22:49 |
| RobertBe | on 29. August 2010, 17:40 |
| ibag | on 10. August 2010, 11:18 |
| Mody | on 8. August 2010, 12:37 |
| Saskia | on 7. August 2010, 20:31 |
| ffricke | on 1. August 2010, 12:32 |
| flaemmchen | on 27. July 2010, 13:14 |
| pokerke | on 18. July 2010, 22:01 |
| Javier Rebottaro | on 28. June 2010, 04:38 |
| sandmoppe | on 27. June 2010, 09:54 |
| ManuH | on 25. June 2010, 20:05 |
| saskia-daniela | on 22. June 2010, 23:15 |
| r45 | on 22. June 2010, 20:36 |
| Realshaggy | on 22. June 2010, 11:34 |
| miez | on 21. June 2010, 22:05 |
| Richard | on 21. June 2010, 20:41 |
| Statistica | on 21. June 2010, 16:21 |
| Alex | on 21. June 2010, 16:18 |
| Hansjo | on 21. June 2010, 14:54 |
| Le Ahcim | on 21. June 2010, 13:30 |
| Luigi | on 21. June 2010, 10:07 |
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