4
2
9
6
8
5
1
3
7
5
7
6
2
3
1
8
9
4
3
1
8
9
7
4
6
5
2
2
4
3
7
5
1
8
9
6
6
5
7
3
8
9
4
1
2
1
8
9
2
4
6
7
3
5
5
6
8
9
1
4
3
7
2
1
2
3
7
6
5
9
4
8
4
9
7
8
2
3
5
6
1
This Sudoku Puzzle has 52 steps and it is solved using Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, Hidden Single, undefined, Locked Candidates Type 2 (Claiming), Naked Pair, Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Hidden Pair
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
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