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