9
2
1
9
7
1
8
2
3
6
7
5
9
4
1
2
4
8
2
1
6
7
4
9
6
1
8
4
1
8
2
6
Time 00:00
Mistakes 0
Ready
Medium Sudoku #168
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 32 of 81 |
| Technique score | 88.4 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 3, column 4 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.