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