2
4
1
5
9
7
6
8
3
8
6
5
1
3
2
7
4
9
7
3
9
8
6
4
5
1
2
3
1
9
8
5
2
4
7
6
4
5
7
6
9
1
3
2
8
6
2
8
3
4
7
1
9
5
1
2
5
7
6
4
9
3
8
9
7
6
2
8
3
5
1
4
4
8
3
9
5
1
2
7
6
This Sudoku Puzzle has 16 steps and it is solved using Full House, Naked Single techniques.
Naked Single
Explanation
Full House
Explanation
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