Easy
Puzzle
1
6
9
9
8
4
6
1
5
2
5
8
4
2
1
3
6
1
5
2
9
2
3
5
7
7
8
1
2
3
5
1
9
8
7
3
Logic required
Singles
Hardest technique: Naked Single
In this puzzle
Solution
Solve the puzzle to reveal the solution.