1
3
6
2
5
4
7
8
9
5
8
7
1
6
9
3
2
4
2
4
9
3
8
7
1
5
6
3
1
4
6
7
5
9
4
5
6
2
9
8
7
1
3
7
9
5
1
3
4
6
2
1
8
4
3
7
5
8
3
5
7
1
4
2
7
4
2
5
8
3
1
This Sudoku Puzzle has 42 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Uniqueness Test 1, Give Up techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
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