1
8
2
9
4
4
9
6
8
5
6
4
2
1
3
7
5
6
1
2
8
9
1
7
3
7
5
8
6
Time 00:00
Mistakes 0
Ready
Medium Sudoku #149
You will want pencil marks: locked candidates, pairs and triples.
| Difficulty | Medium |
| Clues given | 29 of 81 |
| Technique score | 89 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 8, column 2 already sees all eight other digits in its row, column and box, so it can only be 6.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.