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