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