4
1
2
5
7
6
3
9
8
5
8
7
9
3
2
6
3
9
6
8
1
4
2
7
5
8
5
9
2
4
7
1
6
5
3
8
4
7
8
1
5
1
5
9
2
4
7
6
8
3
8
3
1
6
2
9
5
6
3
2
9
5
8
1
4
7
This Sudoku Puzzle has 32 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Remote Pair, undefined, Give Up techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
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