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

This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Candidates Type 1 (Pointing), undefined, Locked Candidates Type 2 (Claiming), Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 6 / Column 8 → 7 (Hidden Single)
2. Row 5 / Column 3 → 7 (Hidden Single)
3. Row 8 / Column 6 → 7 (Hidden Single)
4. Row 8 / Column 7 → 6 (Naked Single)
5. Row 8 / Column 9 → 1 (Naked Single)
6. Row 8 / Column 8 → 9 (Naked Single)
7. Row 9 / Column 4 → 6 (Hidden Single)
8. Row 9 / Column 1 → 1 (Hidden Single)
9. Row 4 / Column 4 → 9 (Hidden Single)
10. Locked Pair: 4,6 in r45c8 => r12c8,r5c9<>6, r5c9<>4
11. Row 2 / Column 3 → 6 (Hidden Single)
12. Row 1 / Column 9 → 6 (Hidden Single)
13. Row 5 / Column 1 → 6 (Hidden Single)
14. Row 5 / Column 8 → 4 (Naked Single)
15. Row 4 / Column 8 → 6 (Naked Single)
16. Row 5 / Column 2 → 9 (Hidden Single)
17. Row 5 / Column 6 → 8 (Hidden Single)
18. Row 5 / Column 5 → 2 (Hidden Single)
19. Locked Candidates Type 1 (Pointing): 3 in b5 => r2c6<>3
20. Locked Candidates Type 1 (Pointing): 8 in b9 => r13c7<>8
21. 2-String Kite: 2 in r2c6,r8c2 (connected by r8c4,r9c6) => r2c2<>2
22. Locked Candidates Type 2 (Claiming): 2 in r2 => r13c4<>2
23. W-Wing: 5/2 in r2c6,r8c2 connected by 2 in r9c36 => r2c2<>5
24. Locked Candidates Type 2 (Claiming): 5 in r2 => r1c45,r3c45<>5
25. W-Wing: 2/5 in r2c6,r8c4 connected by 5 in r6c46 => r2c4,r9c6<>2
26. Row 9 / Column 6 → 4 (Naked Single)
27. Row 4 / Column 6 → 3 (Naked Single)
28. Row 9 / Column 5 → 9 (Naked Single)
29. Row 9 / Column 9 → 3 (Naked Single)
30. Row 4 / Column 3 → 8 (Naked Single)
31. Row 4 / Column 2 → 4 (Full House)
32. Row 6 / Column 6 → 5 (Naked Single)
33. Row 2 / Column 6 → 2 (Full House)
34. Row 6 / Column 4 → 4 (Full House)
35. Row 7 / Column 5 → 5 (Naked Single)
36. Row 8 / Column 4 → 2 (Full House)
37. Row 8 / Column 2 → 5 (Full House)
38. Row 5 / Column 9 → 5 (Naked Single)
39. Row 5 / Column 7 → 3 (Full House)
40. Row 9 / Column 7 → 8 (Naked Single)
41. Row 9 / Column 3 → 2 (Full House)
42. Row 6 / Column 1 → 2 (Naked Single)
43. Row 6 / Column 2 → 3 (Full House)
44. Row 7 / Column 3 → 9 (Naked Single)
45. Row 7 / Column 1 → 8 (Full House)
46. Row 3 / Column 9 → 7 (Naked Single)
47. Row 7 / Column 9 → 4 (Full House)
48. Row 7 / Column 7 → 7 (Full House)
49. Row 3 / Column 3 → 5 (Naked Single)
50. Row 1 / Column 3 → 3 (Full House)
51. Row 1 / Column 1 → 4 (Naked Single)
52. Row 3 / Column 1 → 9 (Full House)
53. Row 3 / Column 4 → 8 (Naked Single)
54. Row 3 / Column 7 → 2 (Naked Single)
55. Row 1 / Column 7 → 5 (Full House)
56. Row 1 / Column 5 → 1 (Naked Single)
57. Row 1 / Column 4 → 7 (Naked Single)
58. Row 2 / Column 4 → 5 (Full House)
59. Row 3 / Column 2 → 1 (Naked Single)
60. Row 3 / Column 5 → 4 (Full House)
61. Row 2 / Column 5 → 3 (Full House)
62. Row 1 / Column 8 → 8 (Naked Single)
63. Row 1 / Column 2 → 2 (Full House)
64. Row 2 / Column 2 → 8 (Full House)
65. Row 2 / Column 8 → 1 (Full House)