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