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