1
4
8
5
4
9
8
4
7
3
1
3
8
2
9
6
5
1
4
3

This Sudoku Puzzle has 9 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Hidden Pair, Give Up techniques.

Naked Single Explanation
Hidden Single Explanation
Hidden Pair Explanation
Locked Candidates Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 5 / Column 2 → 6 (Naked Single)
  2. Row 7 / Column 7 → 7 (Naked Single)
  3. Row 5 / Column 1 → 2 (Naked Single)
  4. Row 5 / Column 4 → 5 (Naked Single)
  5. Row 5 / Column 5 → 9 (Full House)
  6. Row 9 / Column 8 → 8 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 1 in b4 => r79c3<>1
  8. Hidden Pair: 4,5 in r6c78 => r6c78<>2, r6c7<>6, r6c8<>7
  9. Give Up: Don't know how to proceed!
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