5
3
9
1
2
4
1
3
5
6
2
1
9
7
7
9
5
2
6
5
9
2

This Sudoku Puzzle has 4 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Give Up techniques.

Hidden Single Explanation
Locked Candidates Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 3 / Column 5 → 2 (Hidden Single)
  2. Row 9 / Column 6 → 9 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 9 in b3 => r4c8<>9
  4. Give Up: Don't know how to proceed!
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