1
8
1
7
2
4
6
9
5
4
7
5
9
3
6
8
1
2
6
3
9
1
8
5
4
7
7
9
7
1
2
3
6
5
4
8
2
5
8
4
4
1
3
6
7
3
6
4
7
5
8
9
2
1
4
6
2
1
5
3
2
7
9
5
8
3
7
9
2
6
8
4
7
9
2
8
4
6
5
1
3
This Sudoku Puzzle has 34 steps and it is solved using Full House, Hidden Single, Naked Single techniques.
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