2
5
4
8
6
9
1
3
7
3
6
9
7
1
4
5
2
8
1
7
8
5
2
3
9
4
6
9
7
1
9
4
5
6
8
2
4
3
2
6
8
7
9
5
1
6
5
9
2
3
1
7
8
4
3
2
5
7
1
5
4
9
8
8
7
6
1
4
3
1
9
5
4
1
5
8
9
2
3
6
7
This Sudoku Puzzle has 7 steps and it is solved using Full House techniques.
Full House
Explanation
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