2
3
6
1
7
8
7
6
3
6
4
7
8
1
2
5
7
3
4
3
8
1
8
6
2
9
3
Time 00:00
Mistakes 0
Ready
Medium Sudoku #61
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 27 of 81 |
| Technique score | 107.4 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 5, column 6 already sees all eight other digits in its row, column and box, so it can only be 5.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.