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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Hidden Pair techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 5 → 9 (Naked Single)
2. Row 6 / Column 5 → 6 (Full House)
3. Row 3 / Column 6 → 1 (Hidden Single)
4. Row 8 / Column 2 → 7 (Hidden Single)
5. Row 5 / Column 7 → 5 (Hidden Single)
6. Row 1 / Column 8 → 3 (Hidden Single)
7. Row 1 / Column 6 → 9 (Hidden Single)
8. Row 8 / Column 7 → 3 (Hidden Single)
9. Row 5 / Column 2 → 2 (Hidden Single)
10. Row 9 / Column 6 → 7 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 4 in b2 => r46c4<>4
12. Locked Candidates Type 1 (Pointing): 9 in b4 => r79c3<>9
13. Naked Pair: 4,7 in r2c38 => r2c19<>4
14. Hidden Pair: 6,8 in r37c8 => r37c8<>4, r3c8<>7, r37c8<>9, r7c8<>1
15. Row 9 / Column 9 → 1 (Hidden Single)
16. Locked Candidates Type 1 (Pointing): 9 in b9 => r3c7<>9
17. Row 3 / Column 9 → 9 (Hidden Single)
18. Row 3 / Column 2 → 5 (Hidden Single)
19. Row 2 / Column 1 → 2 (Naked Single)
20. Row 2 / Column 9 → 5 (Naked Single)
21. Locked Candidates Type 1 (Pointing): 6 in b1 => r79c3<>6
22. Naked Pair: 4,8 in r18c1 => r47c1<>4, r479c1<>8
23. Row 4 / Column 1 → 1 (Naked Single)
24. Row 4 / Column 2 → 8 (Hidden Single)
25. Row 6 / Column 8 → 1 (Hidden Single)
26. Row 7 / Column 3 → 1 (Hidden Single)
27. Row 4 / Column 4 → 3 (Hidden Single)
28. Row 6 / Column 3 → 9 (Hidden Single)
29. Row 5 / Column 3 → 4 (Naked Single)
30. Row 5 / Column 8 → 9 (Full House)
31. Row 6 / Column 2 → 3 (Full House)
32. Row 2 / Column 3 → 7 (Naked Single)
33. Row 2 / Column 8 → 4 (Full House)
34. Row 9 / Column 2 → 6 (Naked Single)
35. Row 7 / Column 2 → 4 (Full House)
36. Row 4 / Column 8 → 7 (Naked Single)
37. Row 9 / Column 7 → 9 (Naked Single)
38. Row 8 / Column 1 → 8 (Naked Single)
39. Row 8 / Column 9 → 4 (Full House)
40. Row 7 / Column 7 → 6 (Naked Single)
41. Row 7 / Column 8 → 8 (Full House)
42. Row 3 / Column 8 → 6 (Full House)
43. Row 9 / Column 1 → 5 (Naked Single)
44. Row 1 / Column 1 → 4 (Naked Single)
45. Row 7 / Column 1 → 9 (Full House)
46. Row 9 / Column 3 → 3 (Full House)
47. Row 9 / Column 4 → 8 (Full House)
48. Row 6 / Column 9 → 2 (Naked Single)
49. Row 1 / Column 9 → 8 (Full House)
50. Row 4 / Column 7 → 4 (Full House)
51. Row 4 / Column 6 → 2 (Full House)
52. Row 3 / Column 7 → 7 (Naked Single)
53. Row 1 / Column 7 → 2 (Full House)
54. Row 3 / Column 3 → 8 (Naked Single)
55. Row 1 / Column 3 → 6 (Full House)
56. Row 1 / Column 4 → 7 (Full House)
57. Row 3 / Column 4 → 4 (Full House)
58. Row 6 / Column 4 → 5 (Naked Single)
59. Row 6 / Column 6 → 4 (Full House)
60. Row 7 / Column 6 → 5 (Full House)
61. Row 7 / Column 4 → 2 (Full House)