1
6
8
3
7
9
6
1
5
8
3
8
9
3
6
4
8
7
1
8
5

This Sudoku Puzzle has 5 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Give Up techniques.

Hidden Single Explanation
Locked Candidates Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 4 / Column 7 → 8 (Hidden Single)
  2. Row 8 / Column 6 → 8 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 5 in b6 => r2c9<>5
  4. Naked Triple: 1,2,4 in r235c7 => r7c7<>1, r79c7<>2, r79c7<>4
  5. Give Up: Don't know how to proceed!
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