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