8
4
3
6
7
1
9
5
2
1
7
5
9
4
2
6
8
3
2
9
6
3
5
8
1
7
4
4
3
9
7
6
5
1
2
8
2
9
6
2
3
1
4
9
7
5
8
7
4
8
9
5
3
9
5
8
4
2
1
7
3
9
6
7
2
9
5
6
9
8
1
4
6
1
1
8
4
3
7
2
5
This Sudoku Puzzle has 29 steps and it is solved using Naked Single, Full House, Hidden Single techniques.
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