3
7
4
8
2
5
9
6
1
8
1
9
7
6
3
2
5
4
5
2
6
1
9
4
3
8
7
5
4
8
2
1
7
6
3
6
7
2
5
3
8
1
9
1
3
8
4
5
2
6
4
3
1
7
4
8
This Sudoku Puzzle has 25 steps and it is solved using Full House, Naked Single, Hidden Single techniques.
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