7
9
1
2
4
1
3
8
4
9
8
6
5
9
3
6
4
2
1
5
7
5
7
6
9
2
1
4
3
7
4
1
9
6
Time 00:00
Mistakes 0
Ready
Easy Sudoku #2
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 34 of 81 |
| Technique score | 76.9 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 4, column 1 already sees all eight other digits in its row, column and box, so it can only be 2.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.