9
7
4
3
4
8
1
9
6
5
3
8
9
7
1
6
5
2
4
5
4
7
2
3
8
1
6
9
2
1
6
4
3
7
8
4
7
6
9
7
2
6
5
4
3
6
1
This Sudoku Puzzle has 39 steps and it is solved using Locked Candidates Type 1 (Pointing), Naked Pair, Hidden Single, Naked Single, Full House, Skyscraper, Locked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
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