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