8
4
3
6
7
1
9
5
2
1
5
7
9
4
2
3
6
8
6
9
6
3
5
8
1
7
4
4
3
9
7
2
5
1
6
8
2
8
6
4
3
1
4
9
5
5
1
7
4
8
9
2
3
2
5
8
4
2
1
7
3
9
6
7
2
3
5
6
9
8
1
4
9
6
1
8
4
3
7
2
5
This Sudoku Puzzle has 11 steps and it is solved using Full House, Naked Single, Hidden Single techniques.
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