3
6
1
5
9
7
2
8
4
5
7
2
3
4
8
6
9
1
9
8
4
1
2
6
3
7
5
8
3
2
4
5
9
7
1
6
1
6
4
7
2
3
9
8
5
5
9
7
8
6
1
2
4
3
6
2
3
1
4
8
9
7
5
4
1
9
2
5
7
8
3
6
7
5
8
6
3
9
4
1
2
This Sudoku Puzzle has 36 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
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