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

This Sudoku Puzzle has 68 steps and it is solved using Naked Single, Hidden Single, Locked Pair, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 6 → 9 (Naked Single)
2. Row 4 / Column 6 → 1 (Naked Single)
3. Row 5 / Column 7 → 2 (Naked Single)
4. Row 6 / Column 5 → 5 (Hidden Single)
5. Row 6 / Column 7 → 9 (Naked Single)
6. Row 8 / Column 3 → 4 (Hidden Single)
7. Row 7 / Column 9 → 4 (Hidden Single)
8. Locked Pair: 1,8 in r6c89 => r4c89,r5c8,r6c124<>8
9. Row 5 / Column 8 → 6 (Naked Single)
10. Locked Candidates Type 1 (Pointing): 1 in b1 => r789c1<>1
11. Locked Candidates Type 1 (Pointing): 2 in b5 => r12c4<>2
12. Locked Candidates Type 1 (Pointing): 3 in b8 => r123c5<>3
13. Locked Candidates Type 1 (Pointing): 7 in b8 => r23c4<>7
14. Locked Candidates Type 1 (Pointing): 8 in b9 => r9c123<>8
15. Locked Candidates Type 2 (Claiming): 7 in r8 => r7c12,r9c123<>7
16. Locked Candidates Type 2 (Claiming): 7 in c3 => r2c12,r3c1<>7
17. Naked Triple: 3,4,5 in r23c8,r3c7 => r12c9<>3, r2c9<>5
18. Row 1 / Column 1 → 3 (Hidden Single)
19. Row 3 / Column 1 → 1 (Hidden Single)
20. Row 2 / Column 1 → 5 (Hidden Single)
21. Locked Pair: 2,9 in r9c13 => r8c12,r9c28<>2, r8c1,r9c4<>9
22. Row 8 / Column 1 → 7 (Naked Single)
23. Row 8 / Column 5 → 9 (Hidden Single)
24. Row 8 / Column 8 → 2 (Hidden Single)
25. Row 6 / Column 2 → 7 (Hidden Single)
26. Row 7 / Column 5 → 3 (Hidden Single)
27. Row 7 / Column 7 → 7 (Naked Single)
28. Row 7 / Column 4 → 1 (Naked Single)
29. Row 9 / Column 4 → 7 (Full House)
30. Row 1 / Column 5 → 1 (Hidden Single)
31. Row 1 / Column 3 → 2 (Hidden Single)
32. Row 9 / Column 3 → 9 (Naked Single)
33. Row 9 / Column 1 → 2 (Naked Single)
34. Row 6 / Column 1 → 4 (Naked Single)
35. Row 5 / Column 1 → 8 (Naked Single)
36. Row 5 / Column 5 → 4 (Full House)
37. Row 6 / Column 4 → 2 (Naked Single)
38. Row 4 / Column 4 → 8 (Full House)
39. Row 4 / Column 3 → 6 (Naked Single)
40. Row 7 / Column 1 → 6 (Naked Single)
41. Row 4 / Column 1 → 9 (Full House)
42. Row 4 / Column 2 → 2 (Full House)
43. Row 7 / Column 2 → 8 (Full House)
44. Row 3 / Column 5 → 8 (Naked Single)
45. Row 2 / Column 5 → 2 (Full House)
46. Row 2 / Column 2 → 6 (Naked Single)
47. Row 3 / Column 3 → 7 (Naked Single)
48. Row 2 / Column 3 → 8 (Full House)
49. Row 2 / Column 9 → 9 (Naked Single)
50. Row 3 / Column 6 → 3 (Naked Single)
51. Row 2 / Column 6 → 7 (Full House)
52. Row 1 / Column 9 → 6 (Naked Single)
53. Row 1 / Column 4 → 9 (Full House)
54. Row 2 / Column 4 → 4 (Naked Single)
55. Row 2 / Column 8 → 3 (Full House)
56. Row 3 / Column 4 → 6 (Full House)
57. Row 3 / Column 7 → 5 (Naked Single)
58. Row 3 / Column 8 → 4 (Full House)
59. Row 9 / Column 7 → 3 (Full House)
60. Row 4 / Column 8 → 5 (Naked Single)
61. Row 4 / Column 9 → 3 (Full House)
62. Row 8 / Column 9 → 1 (Naked Single)
63. Row 8 / Column 2 → 3 (Full House)
64. Row 9 / Column 2 → 1 (Full House)
65. Row 6 / Column 9 → 8 (Naked Single)
66. Row 6 / Column 8 → 1 (Full House)
67. Row 9 / Column 8 → 8 (Full House)
68. Row 9 / Column 9 → 5 (Full House)