8
1
3
6
4
5
9
7
2
4
9
5
2
7
8
3
6
1
6
7
2
9
1
3
8
4
5
7
6
8
1
2
4
3
5
9
5
3
9
7
8
6
1
2
4
1
2
4
3
5
9
7
6
8
2
9
7
4
3
1
5
8
6
6
4
3
8
5
7
9
1
2
5
8
1
2
9
6
4
3
7
This Sudoku Puzzle has 37 steps and it is solved using Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Empty Rectangle, Naked Single, Full House techniques.
Naked Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
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