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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Triple, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

1. Row 3 / Column 8 → 8 (Hidden Single)
2. Row 1 / Column 1 → 7 (Hidden Single)
3. Row 9 / Column 6 → 3 (Hidden Single)
4. Row 3 / Column 1 → 3 (Hidden Single)
5. Row 8 / Column 6 → 5 (Hidden Single)
6. Row 7 / Column 4 → 8 (Hidden Single)
7. Row 7 / Column 9 → 1 (Naked Single)
8. Locked Pair: 1,4 in r12c7 => r1c8,r56c7<>1, r1c8,r79c7<>4
9. Locked Pair: 8,9 in r89c9 => r1c9,r8c8<>9, r6c9,r9c7<>8
10. Row 1 / Column 9 → 3 (Naked Single)
11. Row 6 / Column 9 → 3 (Naked Single)
12. Row 1 / Column 8 → 9 (Naked Single)
13. Row 5 / Column 4 → 3 (Hidden Single)
14. Row 5 / Column 5 → 9 (Hidden Single)
15. Row 5 / Column 6 → 7 (Hidden Single)
16. Locked Triple: 1,5,6 in r456c8 => r5c7,r7c8<>5, r56c7,r78c8<>6
17. Row 7 / Column 8 → 4 (Naked Single)
18. Row 8 / Column 8 → 4 (Naked Single)
19. Row 5 / Column 7 → 8 (Naked Single)
20. Row 6 / Column 7 → 8 (Naked Single)
21. Row 9 / Column 5 → 4 (Hidden Single)
22. Row 9 / Column 3 → 8 (Hidden Single)
23. Row 9 / Column 9 → 9 (Naked Single)
24. Row 8 / Column 9 → 8 (Naked Single)
25. Row 4 / Column 2 → 8 (Hidden Single)
26. Row 4 / Column 1 → 4 (Hidden Single)
27. Row 4 / Column 4 → 6 (Naked Single)
28. Row 4 / Column 6 → 1 (Naked Single)
29. Row 4 / Column 5 → 1 (Naked Single)
30. Row 4 / Column 8 → 5 (Naked Single)
31. Row 3 / Column 5 → 2 (Naked Single)
32. Row 7 / Column 5 → 6 (Full House)
33. Row 8 / Column 5 → 6 (Full House)
34. Row 1 / Column 6 → 4 (Naked Single)
35. Row 3 / Column 6 → 4 (Naked Single)
36. Row 8 / Column 1 → 2 (Naked Single)
37. Row 1 / Column 7 → 1 (Naked Single)
38. Row 2 / Column 7 → 4 (Full House)
39. Row 2 / Column 4 → 9 (Naked Single)
40. Row 3 / Column 4 → 9 (Naked Single)
41. Row 6 / Column 6 → 2 (Naked Single)
42. Row 3 / Column 3 → 9 (Naked Single)
43. Row 7 / Column 1 → 5 (Naked Single)
44. Row 7 / Column 7 → 2 (Full House)
45. Row 8 / Column 2 → 9 (Naked Single)
46. Row 9 / Column 2 → 6 (Full House)
47. Row 9 / Column 1 → 6 (Full House)
48. Row 2 / Column 3 → 9 (Naked Single)
49. Row 2 / Column 2 → 1 (Naked Single)
50. Row 1 / Column 2 → 2 (Full House)
51. Row 5 / Column 2 → 2 (Full House)
52. Row 1 / Column 3 → 6 (Full House)
53. Row 6 / Column 3 → 6 (Naked Single)
54. Row 6 / Column 4 → 4 (Naked Single)
55. Row 9 / Column 7 → 5 (Naked Single)
56. Row 5 / Column 1 → 1 (Naked Single)
57. Row 5 / Column 3 → 5 (Naked Single)
58. Row 6 / Column 8 → 1 (Naked Single)
59. Row 5 / Column 8 → 6 (Naked Single)