3
5
6
1
4
7
2
8
9
8
7
2
9
3
5
1
4
6
1
9
4
6
8
2
3
7
5
5
7
2
6
3
8
4
9
1
6
1
3
2
9
4
5
8
7
9
4
8
5
1
7
2
6
3
9
2
4
7
1
5
8
6
3
7
5
1
3
6
8
4
2
9
8
3
6
4
2
9
7
5
1
This Sudoku Puzzle has 38 steps and it is solved using Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Skyscraper, Naked Single, Full House techniques.
Naked Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
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