5
2
9
3
2
9
2
6
1
7
4
7
8
1
6
5
9
1
8
3
6
6
5
3
1
9
9
4
5
2
6
3
3
6
7
3
2
Time 00:00
Mistakes 0
Ready
Easy Sudoku #188
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 37 of 81 |
| Technique score | 70.9 |
| 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 8.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.