9
1
3
6
8
7
2
5
4
8
5
6
2
3
4
7
1
9
7
2
4
1
3
8
6
8
1
6
2
9
2
1
4
3
4
8
2
1
5
7
2
6
8
1
2
1
4
7
1
7
8
4
3
6
2
This Sudoku Puzzle has 30 steps and it is solved using Locked Candidates Type 2 (Claiming), Naked Pair, undefined, Naked Single, Hidden Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
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