4
7
6
2
9
5
1
1
8
6
2
7
5
6
5
4
9
8
7
5
9
8
1
4
8
7
2
9
8
3
Time 00:00
Mistakes 0
Ready
Easy Sudoku #93
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 30 of 81 |
| Technique score | 84.9 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 7 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.