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

This Sudoku Puzzle has 63 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Pair, Locked Candidates Type 2 (Claiming), Naked Pair, Remote Pair techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 8 / Column 5 → 6 (Hidden Single)
2. Row 5 / Column 6 → 6 (Hidden Single)
3. Row 9 / Column 1 → 9 (Hidden Single)
4. Row 7 / Column 7 → 9 (Hidden Single)
5. Row 6 / Column 9 → 6 (Hidden Single)
6. Row 8 / Column 9 → 3 (Hidden Single)
7. Row 7 / Column 4 → 8 (Hidden Single)
8. Row 5 / Column 5 → 9 (Hidden Single)
9. Row 4 / Column 3 → 9 (Hidden Single)
10. Row 6 / Column 7 → 5 (Hidden Single)
11. Row 8 / Column 7 → 7 (Naked Single)
12. Row 7 / Column 8 → 2 (Naked Single)
13. Row 9 / Column 8 → 5 (Full House)
14. Row 7 / Column 6 → 3 (Hidden Single)
15. Row 3 / Column 6 → 9 (Hidden Single)
16. Row 9 / Column 2 → 2 (Hidden Single)
17. Row 4 / Column 1 → 2 (Hidden Single)
18. Row 1 / Column 3 → 2 (Hidden Single)
19. Row 1 / Column 8 → 6 (Hidden Single)
20. Row 3 / Column 3 → 6 (Hidden Single)
21. Locked Pair: 7,8 in r23c8 => r23c9,r45c8<>7, r2c7,r4c8<>8
22. Row 4 / Column 7 → 8 (Hidden Single)
23. Locked Candidates Type 2 (Claiming): 8 in r1 => r23c1,r3c2<>8
24. Locked Candidates Type 2 (Claiming): 1 in r6 => r5c2<>1
25. Row 8 / Column 2 → 1 (Hidden Single)
26. Row 8 / Column 1 → 8 (Naked Single)
27. Row 8 / Column 3 → 5 (Full House)
28. Row 1 / Column 2 → 8 (Hidden Single)
29. Row 1 / Column 6 → 5 (Hidden Single)
30. Row 3 / Column 2 → 5 (Hidden Single)
31. Row 2 / Column 9 → 5 (Hidden Single)
32. Naked Pair: 4,7 in r1c4,r2c6 => r23c5,r3c4<>4, r23c5,r3c4<>7
33. Row 3 / Column 4 → 3 (Naked Single)
34. Row 2 / Column 1 → 3 (Hidden Single)
35. Row 4 / Column 5 → 3 (Hidden Single)
36. Row 4 / Column 8 → 1 (Naked Single)
37. Row 5 / Column 8 → 3 (Naked Single)
38. Row 2 / Column 3 → 1 (Hidden Single)
39. Row 6 / Column 1 → 1 (Hidden Single)
40. Row 9 / Column 6 → 1 (Hidden Single)
41. Row 5 / Column 4 → 1 (Hidden Single)
42. Remote Pair: 4/7 r3c1 -7- r1c1 -4- r1c4 -7- r2c6 -4- r4c6 -7- r4c9 => r3c9<>4
43. Row 3 / Column 9 → 2 (Naked Single)
44. Row 2 / Column 7 → 4 (Naked Single)
45. Row 5 / Column 7 → 2 (Full House)
46. Row 3 / Column 5 → 8 (Naked Single)
47. Row 2 / Column 6 → 7 (Naked Single)
48. Row 4 / Column 6 → 4 (Full House)
49. Row 4 / Column 9 → 7 (Full House)
50. Row 6 / Column 5 → 7 (Full House)
51. Row 5 / Column 9 → 4 (Full House)
52. Row 6 / Column 3 → 4 (Full House)
53. Row 5 / Column 2 → 7 (Full House)
54. Row 7 / Column 3 → 7 (Full House)
55. Row 7 / Column 2 → 4 (Full House)
56. Row 2 / Column 5 → 2 (Naked Single)
57. Row 1 / Column 4 → 4 (Full House)
58. Row 2 / Column 8 → 8 (Full House)
59. Row 3 / Column 8 → 7 (Full House)
60. Row 9 / Column 5 → 4 (Full House)
61. Row 1 / Column 1 → 7 (Full House)
62. Row 9 / Column 4 → 7 (Full House)
63. Row 3 / Column 1 → 4 (Full House)