1
2
8
7
6
9
4
3
6
5
1
9
1
6
7
3
4
3
6
7
6
3
9
4
6
7
5
1
3
1
5
7
1
3
6
4
Time 00:00
Mistakes 0
Ready
Easy Sudoku #149
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 72 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 4 already sees all eight other digits in its row, column and box, so it can only be 9.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.