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

This Sudoku Puzzle has 46 steps and it is solved using Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Turbot Fish, Naked Single, Hidden Single, Full House techniques.

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

Solution Steps:

  1. Locked Candidates Type 1 (Pointing): 7 in b1 => r3c5<>7
  2. Locked Candidates Type 1 (Pointing): 4 in b6 => r8c9<>4
  3. Locked Candidates Type 1 (Pointing): 6 in b7 => r23c1<>6
  4. Locked Candidates Type 2 (Claiming): 5 in c3 => r23c1,r3c2<>5
  5. 2-String Kite: 3 in r4c1,r7c6 (connected by r4c5,r6c6) => r7c1<>3
  6. Turbot Fish: 3 r4c5 =3= r4c1 -3- r8c1 =3= r9c2 => r9c5<>3
  7. XY-Wing: 6/7/3 in r1c36,r6c6 => r6c3<>3
  8. Row 6 / Column 3 → 1 (Naked Single)
  9. Row 5 / Column 9 → 1 (Hidden Single)
  10. Row 5 / Column 8 → 2 (Hidden Single)
  11. Row 3 / Column 9 → 2 (Hidden Single)
  12. Row 1 / Column 5 → 2 (Hidden Single)
  13. Row 4 / Column 7 → 5 (Hidden Single)
  14. Row 2 / Column 1 → 2 (Hidden Single)
  15. Row 1 / Column 6 → 7 (Hidden Single)
  16. Row 6 / Column 6 → 3 (Naked Single)
  17. Row 4 / Column 5 → 7 (Full House)
  18. Row 4 / Column 9 → 4 (Naked Single)
  19. Row 4 / Column 1 → 3 (Full House)
  20. Row 2 / Column 5 → 1 (Hidden Single)
  21. Row 3 / Column 1 → 1 (Hidden Single)
  22. Row 6 / Column 1 → 4 (Hidden Single)
  23. Row 9 / Column 2 → 3 (Hidden Single)
  24. Row 3 / Column 2 → 7 (Naked Single)
  25. Row 5 / Column 2 → 5 (Full House)
  26. Row 5 / Column 1 → 7 (Full House)
  27. Row 9 / Column 9 → 6 (Naked Single)
  28. Row 9 / Column 5 → 5 (Full House)
  29. Row 6 / Column 9 → 7 (Naked Single)
  30. Row 6 / Column 7 → 6 (Full House)
  31. Row 8 / Column 7 → 7 (Full House)
  32. Row 8 / Column 9 → 3 (Full House)
  33. Row 3 / Column 5 → 6 (Naked Single)
  34. Row 2 / Column 6 → 5 (Full House)
  35. Row 7 / Column 6 → 6 (Full House)
  36. Row 2 / Column 3 → 6 (Full House)
  37. Row 3 / Column 8 → 3 (Naked Single)
  38. Row 1 / Column 8 → 6 (Full House)
  39. Row 1 / Column 3 → 3 (Full House)
  40. Row 3 / Column 3 → 5 (Full House)
  41. Row 8 / Column 5 → 4 (Naked Single)
  42. Row 7 / Column 5 → 3 (Full House)
  43. Row 7 / Column 1 → 5 (Naked Single)
  44. Row 7 / Column 8 → 4 (Full House)
  45. Row 8 / Column 8 → 5 (Full House)
  46. Row 8 / Column 1 → 6 (Full House)
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