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

This Sudoku Puzzle has 76 steps and it is solved using Locked Candidates Type 1 (Pointing), Hidden Single, Naked Single, Locked Candidates Type 2 (Claiming), Naked Triple, Naked Pair, Hidden Triple, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Locked Candidates Type 1 (Pointing): 5 in b2 => r3c2<>5
2. Row 2 / Column 2 → 5 (Hidden Single)
3. Locked Candidates Type 1 (Pointing): 7 in b2 => r1c23<>7
4. Locked Candidates Type 1 (Pointing): 9 in b2 => r1c7<>9
5. Locked Candidates Type 1 (Pointing): 6 in b4 => r23c1<>6
6. Locked Candidates Type 1 (Pointing): 9 in b4 => r78c1<>9
7. Locked Candidates Type 1 (Pointing): 8 in b5 => r13c4<>8
8. Row 3 / Column 4 → 6 (Naked Single)
9. Row 1 / Column 2 → 6 (Hidden Single)
10. Locked Candidates Type 1 (Pointing): 3 in b6 => r3c9<>3
11. Locked Candidates Type 1 (Pointing): 4 in b6 => r12c7<>4
12. Locked Candidates Type 1 (Pointing): 5 in b6 => r8c7<>5
13. Row 8 / Column 8 → 5 (Hidden Single)
14. Locked Candidates Type 1 (Pointing): 3 in b8 => r9c3<>3
15. Locked Candidates Type 2 (Claiming): 7 in c2 => r78c1,r89c3<>7
16. Naked Triple: 4,7,8 in r2c13,r3c2 => r1c3,r3c1<>4, r1c3,r3c1<>8
17. Naked Pair: 2,3 in r38c1 => r7c1<>2
18. Naked Triple: 4,5,8 in r3c256 => r3c8<>4, r3c9<>8
19. Hidden Triple: 1,2,3 in r8c13,r9c3 => r9c3<>8
20. Hidden Triple: 7,8,9 in r278c9 => r2c9<>6, r78c9<>1, r78c9<>2
21. Locked Candidates Type 2 (Claiming): 6 in c9 => r46c7<>6
22. Naked Pair: 7,9 in r8c29 => r8c7<>9
23. Naked Pair: 1,2 in r7c8,r8c7 => r9c78<>1, r9c78<>2
24. Row 9 / Column 8 → 6 (Naked Single)
25. Row 2 / Column 8 → 4 (Naked Single)
26. Row 2 / Column 7 → 6 (Hidden Single)
27. Row 3 / Column 2 → 4 (Hidden Single)
28. Row 3 / Column 6 → 5 (Naked Single)
29. Row 3 / Column 5 → 8 (Naked Single)
30. Row 2 / Column 9 → 9 (Hidden Single)
31. Row 8 / Column 9 → 7 (Naked Single)
32. Row 7 / Column 9 → 8 (Naked Single)
33. Row 8 / Column 2 → 9 (Naked Single)
34. Row 7 / Column 1 → 4 (Naked Single)
35. Row 9 / Column 7 → 9 (Naked Single)
36. Row 7 / Column 2 → 7 (Naked Single)
37. Row 9 / Column 2 → 8 (Full House)
38. Row 9 / Column 5 → 3 (Naked Single)
39. Row 7 / Column 5 → 5 (Hidden Single)
40. Row 1 / Column 7 → 8 (Hidden Single)
41. Row 5 / Column 9 → 3 (Hidden Single)
42. Row 6 / Column 4 → 3 (Hidden Single)
43. Row 5 / Column 7 → 1 (Hidden Single)
44. Row 8 / Column 7 → 2 (Naked Single)
45. Row 7 / Column 8 → 1 (Full House)
46. Row 8 / Column 1 → 3 (Naked Single)
47. Row 8 / Column 3 → 1 (Full House)
48. Row 9 / Column 3 → 2 (Full House)
49. Row 3 / Column 1 → 2 (Naked Single)
50. Row 1 / Column 3 → 3 (Naked Single)
51. Row 9 / Column 4 → 7 (Naked Single)
52. Row 9 / Column 6 → 1 (Full House)
53. Row 3 / Column 8 → 3 (Naked Single)
54. Row 3 / Column 9 → 1 (Full House)
55. Row 1 / Column 8 → 2 (Full House)
56. Row 1 / Column 4 → 9 (Naked Single)
57. Row 1 / Column 5 → 4 (Naked Single)
58. Row 1 / Column 6 → 7 (Full House)
59. Row 5 / Column 5 → 9 (Full House)
60. Row 7 / Column 4 → 2 (Naked Single)
61. Row 4 / Column 4 → 8 (Full House)
62. Row 7 / Column 6 → 9 (Full House)
63. Row 5 / Column 1 → 7 (Naked Single)
64. Row 5 / Column 3 → 4 (Full House)
65. Row 2 / Column 1 → 8 (Naked Single)
66. Row 2 / Column 3 → 7 (Full House)
67. Row 4 / Column 3 → 5 (Naked Single)
68. Row 6 / Column 3 → 8 (Full House)
69. Row 6 / Column 1 → 6 (Naked Single)
70. Row 4 / Column 1 → 9 (Full House)
71. Row 4 / Column 7 → 4 (Naked Single)
72. Row 6 / Column 7 → 5 (Full House)
73. Row 6 / Column 9 → 2 (Naked Single)
74. Row 4 / Column 9 → 6 (Full House)
75. Row 4 / Column 6 → 2 (Full House)
76. Row 6 / Column 6 → 4 (Full House)