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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Locked Triple techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 1 → 6 (Naked Single)
2. Row 1 / Column 7 → 9 (Naked Single)
3. Row 4 / Column 1 → 5 (Naked Single)
4. Row 1 / Column 9 → 6 (Naked Single)
5. Row 4 / Column 3 → 1 (Naked Single)
6. Row 1 / Column 3 → 5 (Naked Single)
7. Row 1 / Column 2 → 7 (Full House)
8. Row 4 / Column 7 → 3 (Naked Single)
9. Row 4 / Column 8 → 7 (Naked Single)
10. Row 6 / Column 8 → 2 (Naked Single)
11. Row 6 / Column 9 → 4 (Naked Single)
12. Row 5 / Column 8 → 2 (Naked Single)
13. Row 6 / Column 2 → 8 (Full House)
14. Row 5 / Column 2 → 8 (Full House)
15. Row 5 / Column 7 → 1 (Naked Single)
16. Row 6 / Column 4 → 5 (Naked Single)
17. Row 6 / Column 5 → 3 (Full House)
18. Row 3 / Column 7 → 8 (Naked Single)
19. Row 7 / Column 7 → 4 (Naked Single)
20. Row 8 / Column 7 → 2 (Full House)
21. Row 3 / Column 9 → 1 (Hidden Single)
22. Row 3 / Column 1 → 4 (Hidden Single)
23. Row 3 / Column 3 → 2 (Hidden Single)
24. Row 8 / Column 8 → 6 (Hidden Single)
25. Locked Candidates Type 1 (Pointing): 3 in b1 => r789c2<>3
26. Locked Candidates Type 1 (Pointing): 6 in b1 => r79c2<>6
27. Row 9 / Column 2 → 1 (Naked Single)
28. Locked Candidates Type 2 (Claiming): 9 in r4 => r5c45<>9
29. Row 5 / Column 4 → 7 (Naked Single)
30. Row 5 / Column 5 → 7 (Naked Single)
31. Row 3 / Column 6 → 7 (Hidden Single)
32. Row 9 / Column 9 → 7 (Hidden Single)
33. Row 7 / Column 9 → 3 (Full House)
34. Row 8 / Column 9 → 3 (Full House)
35. Row 7 / Column 1 → 7 (Full House)
36. Row 8 / Column 1 → 7 (Full House)
37. Row 9 / Column 6 → 3 (Hidden Single)
38. Locked Candidates Type 2 (Claiming): 8 in r8 => r7c46,r9c4<>8
39. Row 7 / Column 3 → 8 (Hidden Single)
40. Row 9 / Column 3 → 6 (Full House)
41. Row 9 / Column 4 → 4 (Full House)
42. Row 9 / Column 5 → 4 (Full House)
43. Row 8 / Column 6 → 8 (Hidden Single)
44. Locked Triple: 1,5,6 in r2c456 => r2c2,r3c45<>6, r2c8,r3c5<>5
45. Row 2 / Column 2 → 3 (Naked Single)
46. Row 3 / Column 2 → 6 (Full House)
47. Row 2 / Column 8 → 3 (Naked Single)
48. Row 3 / Column 4 → 9 (Naked Single)
49. Row 3 / Column 5 → 9 (Naked Single)
50. Row 3 / Column 8 → 5 (Naked Single)
51. Row 7 / Column 4 → 6 (Naked Single)
52. Row 8 / Column 4 → 1 (Full House)
53. Row 2 / Column 4 → 1 (Full House)
54. Row 4 / Column 5 → 6 (Naked Single)
55. Row 4 / Column 6 → 9 (Full House)
56. Row 8 / Column 5 → 5 (Naked Single)
57. Row 2 / Column 5 → 5 (Naked Single)
58. Row 7 / Column 6 → 5 (Naked Single)
59. Row 8 / Column 2 → 9 (Naked Single)
60. Row 2 / Column 6 → 6 (Naked Single)
61. Row 7 / Column 2 → 9 (Naked Single)