7
6
1
3
4
5
2
9
8
9
3
8
7
5
6
8
5
2
9
6
7
3
1
4
3
7
6
5
9
8
1
2
6
8
9
7
5
3
2
5
4
8
9
6
7
9
8
5
2
6
1
7
3
3
7
9
6
8
6
1
7
8
5
9
This Sudoku Puzzle has 17 steps and it is solved using Full House, Naked Single, Hidden Single techniques.
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