5
6
8
2
4
4
2
8
8
2
7
5
6
7
1
9
6
1
4
7
8
7
6
5
8
7
9
1
7
4
2
9
8
2
6
7
Time 00:00
Mistakes 0
Ready
Easy Sudoku #180
Solvable by scanning alone — naked and hidden singles. A calm warm-up.
| Difficulty | Easy |
| Clues given | 36 of 81 |
| Technique score | 73.8 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 7 can only go in one cell, so it must go there.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.