German Engineering (Duality)
| Solver | Solution date |
|---|---|
| Krisonium | on 1. October 2025, 06:47 |
| Sewerin | on 27. August 2025, 00:07 |
| morgannamodeaura | on 13. December 2024, 00:12 |
| LadyShapeShifter | on 19. December 2023, 06:14 |
| zrbakhtiar | on 5. November 2023, 13:37 |
| snowyegret | on 4. November 2023, 21:17 |
| PippoForte | on 26. May 2023, 10:27 |
| karen_birgitta | on 12. December 2022, 12:25 |
| Counterfeitly | on 5. December 2022, 00:17 |
| Oggo | on 1. December 2022, 00:41 |
| mcc | on 30. November 2022, 16:45 |
| ManuH | on 30. November 2022, 16:41 |
| ThibautV | on 30. November 2022, 13:31 |
| argl | on 30. November 2022, 05:56 |
| Ragna | on 29. November 2022, 19:29 |
| wilsig | on 29. November 2022, 15:30 |
| zuzanina | on 29. November 2022, 14:28 |
| by81996672 | on 29. November 2022, 07:39 |
| agueybana | on 29. November 2022, 02:21 |
| ThePedallingPianist | on 29. November 2022, 01:04 |
| dskaff | on 28. November 2022, 21:18 |
| Dag H | on 28. November 2022, 19:18 |
| rey | on 28. November 2022, 18:01 |
| SKORP17 | on 28. November 2022, 17:36 |
| AvonD | on 28. November 2022, 16:58 |
| efnenu | on 28. November 2022, 16:06 |
| Myreque | on 28. November 2022, 16:06 |
| sasheo | on 28. November 2022, 15:59 |
| Gramor | on 28. November 2022, 15:08 |
| TaeChi | on 28. November 2022, 14:35 |
| Luaryo | on 28. November 2022, 14:21 |
| Megalobrainiac | on 28. November 2022, 12:01 |
| Bjd | on 28. November 2022, 11:46 |
| Konstl | on 28. November 2022, 11:14 |
| StefanSch | on 28. November 2022, 10:26 |
| cegie | on 28. November 2022, 10:25 |
| Puzzlers100 | on 28. November 2022, 10:16 |
| Leonard Hal | on 28. November 2022, 10:06 |
| Chelo | on 28. November 2022, 10:00 |
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