7
6
9
3
8
2
7
4
3
7
3
1
6
8
1
5
9
6
8
2
3
7
5
9
2
5
9
4
3
Time 00:00
Mistakes 0
Ready
Medium Sudoku #30
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 94.1 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 6, column 5 already sees all eight other digits in its row, column and box, so it can only be 4.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.