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

This Sudoku Puzzle has 26 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Give Up techniques.

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

Solution Steps:

  1. Row 2 / Column 1 → 6 (Naked Single)
  2. Row 2 / Column 3 → 5 (Naked Single)
  3. Row 2 / Column 9 → 2 (Naked Single)
  4. Row 2 / Column 6 → 8 (Naked Single)
  5. Row 2 / Column 7 → 4 (Full House)
  6. Row 5 / Column 7 → 8 (Hidden Single)
  7. Row 9 / Column 3 → 8 (Hidden Single)
  8. Row 3 / Column 8 → 8 (Hidden Single)
  9. Row 7 / Column 4 → 5 (Hidden Single)
  10. Row 3 / Column 5 → 1 (Hidden Single)
  11. Row 7 / Column 7 → 1 (Hidden Single)
  12. Row 6 / Column 2 → 5 (Hidden Single)
  13. Row 1 / Column 9 → 5 (Hidden Single)
  14. Row 6 / Column 4 → 8 (Hidden Single)
  15. Row 4 / Column 5 → 5 (Hidden Single)
  16. Row 8 / Column 4 → 7 (Hidden Single)
  17. Row 9 / Column 9 → 7 (Hidden Single)
  18. Row 3 / Column 9 → 9 (Naked Single)
  19. Row 6 / Column 3 → 4 (Hidden Single)
  20. Row 9 / Column 2 → 4 (Hidden Single)
  21. Row 8 / Column 5 → 4 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 6 in b4 => r5c5<>6
  23. Locked Candidates Type 1 (Pointing): 3 in b8 => r46c6<>3
  24. Locked Candidates Type 2 (Claiming): 6 in c4 => r1c5<>6
  25. Sashimi X-Wing: 3 r34 c24 fr4c1 fr4c3 => r5c2<>3
  26. Give Up: Don't know how to proceed!
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