8
6
1
9
7
3
4
1
9
4
3
7
8
6
2
5
3
8
1
4
7
9
1
8
5
3
1
8
3
7
4
9
5
8
3
4
6
2
1
1
7
8
2
4
3
2
9
1
5
8
6
8
2
1
This Sudoku Puzzle has 27 steps and it is solved using Full House, Naked Single techniques.
Naked Single
Explanation
Full House
Explanation
Show More...