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

This Sudoku Puzzle has 34 steps and it is solved using Naked Single, Full House, Hidden Single, Skyscraper, undefined, Give Up techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 4 / Column 7 → 5 (Naked Single)
  2. Row 3 / Column 8 → 5 (Naked Single)
  3. Row 3 / Column 9 → 9 (Naked Single)
  4. Row 3 / Column 6 → 3 (Naked Single)
  5. Row 3 / Column 5 → 8 (Naked Single)
  6. Row 3 / Column 4 → 4 (Full House)
  7. Row 4 / Column 6 → 6 (Naked Single)
  8. Row 9 / Column 6 → 1 (Naked Single)
  9. Row 2 / Column 6 → 5 (Naked Single)
  10. Row 7 / Column 6 → 9 (Full House)
  11. Row 9 / Column 7 → 6 (Naked Single)
  12. Row 8 / Column 7 → 1 (Naked Single)
  13. Row 5 / Column 7 → 9 (Full House)
  14. Row 9 / Column 5 → 7 (Naked Single)
  15. Row 4 / Column 2 → 4 (Hidden Single)
  16. Row 1 / Column 4 → 9 (Hidden Single)
  17. Row 6 / Column 5 → 3 (Hidden Single)
  18. Row 6 / Column 1 → 9 (Naked Single)
  19. Row 4 / Column 1 → 3 (Hidden Single)
  20. Row 8 / Column 3 → 9 (Hidden Single)
  21. Row 7 / Column 2 → 1 (Hidden Single)
  22. Row 8 / Column 8 → 3 (Hidden Single)
  23. Row 7 / Column 3 → 3 (Hidden Single)
  24. Row 8 / Column 9 → 4 (Hidden Single)
  25. Row 9 / Column 3 → 4 (Hidden Single)
  26. Row 7 / Column 9 → 5 (Hidden Single)
  27. Row 9 / Column 2 → 2 (Hidden Single)
  28. Row 9 / Column 9 → 8 (Full House)
  29. Row 7 / Column 8 → 2 (Full House)
  30. Row 6 / Column 2 → 5 (Naked Single)
  31. Row 4 / Column 8 → 8 (Hidden Single)
  32. Skyscraper: 1 in r1c5,r6c4 (connected by r16c9) => r2c4,r5c5<>1
  33. W-Wing: 7/2 in r4c4,r6c3 connected by 2 in r46c9 => r6c4<>7
  34. Give Up: Don't know how to proceed!
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