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