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