Sudoku/Double-Digit-Arrows: "Secret Algebra"
| Solver | Solution date |
|---|---|
| Knitabit | on 5. February 2022, 21:01 |
| SKORP17 | on 3. February 2022, 18:29 |
| PippoForte | on 31. January 2022, 22:12 |
| PixelPlucker | on 31. January 2022, 15:37 |
| Qinlux | on 30. January 2022, 23:56 |
| starwarigami | on 30. January 2022, 23:45 |
| Angelo | on 30. January 2022, 23:24 |
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