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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 4 → 6 (Hidden Single)
2. Row 1 / Column 7 → 2 (Hidden Single)
3. Row 9 / Column 8 → 3 (Hidden Single)
4. Row 9 / Column 3 → 2 (Hidden Single)
5. Row 8 / Column 6 → 2 (Hidden Single)
6. Locked Candidates Type 2 (Claiming): 8 in r9 => r8c4<>8
7. Naked Pair: 6,9 in r9c27 => r9c46<>9
8. Naked Triple: 1,4,5 in r1c23,r3c3 => r2c12,r3c1<>5, r2c2<>1, r2c2<>4
9. Row 2 / Column 8 → 4 (Hidden Single)
10. Row 8 / Column 8 → 9 (Hidden Single)
11. Row 9 / Column 7 → 6 (Naked Single)
12. Row 9 / Column 2 → 9 (Naked Single)
13. Row 3 / Column 7 → 9 (Hidden Single)
14. Row 7 / Column 5 → 9 (Hidden Single)
15. Row 5 / Column 2 → 6 (Hidden Single)
16. Row 7 / Column 3 → 4 (Hidden Single)
17. Row 8 / Column 2 → 5 (Naked Single)
18. Row 7 / Column 1 → 8 (Naked Single)
19. Row 8 / Column 1 → 6 (Full House)
20. Row 5 / Column 6 → 3 (Hidden Single)
21. Row 1 / Column 2 → 4 (Hidden Single)
22. Row 5 / Column 3 → 8 (Hidden Single)
23. Row 8 / Column 9 → 8 (Hidden Single)
24. Naked Triple: 1,5,7 in r237c9 => r46c9<>1, r46c9<>5, r4c9<>7
25. Locked Candidates Type 1 (Pointing): 7 in b6 => r1c8<>7
26. Row 1 / Column 6 → 7 (Hidden Single)
27. Row 9 / Column 6 → 8 (Naked Single)
28. Row 9 / Column 4 → 7 (Full House)
29. Row 4 / Column 5 → 7 (Hidden Single)
30. Row 5 / Column 8 → 7 (Hidden Single)
31. Row 4 / Column 4 → 4 (Hidden Single)
32. Row 8 / Column 4 → 1 (Naked Single)
33. Row 8 / Column 5 → 4 (Full House)
34. Row 5 / Column 4 → 5 (Naked Single)
35. Row 5 / Column 7 → 1 (Full House)
36. Row 7 / Column 7 → 5 (Full House)
37. Row 7 / Column 9 → 1 (Full House)
38. Row 2 / Column 4 → 9 (Naked Single)
39. Row 6 / Column 4 → 8 (Full House)
40. Row 4 / Column 6 → 1 (Naked Single)
41. Row 6 / Column 8 → 5 (Naked Single)
42. Row 2 / Column 6 → 5 (Naked Single)
43. Row 6 / Column 6 → 9 (Full House)
44. Row 6 / Column 5 → 6 (Full House)
45. Row 4 / Column 2 → 2 (Naked Single)
46. Row 1 / Column 8 → 1 (Naked Single)
47. Row 4 / Column 8 → 8 (Full House)
48. Row 1 / Column 3 → 5 (Full House)
49. Row 3 / Column 3 → 1 (Full House)
50. Row 2 / Column 9 → 7 (Naked Single)
51. Row 3 / Column 9 → 5 (Full House)
52. Row 6 / Column 9 → 2 (Naked Single)
53. Row 4 / Column 9 → 6 (Full House)
54. Row 4 / Column 1 → 5 (Full House)
55. Row 2 / Column 2 → 3 (Naked Single)
56. Row 6 / Column 2 → 1 (Full House)
57. Row 6 / Column 1 → 3 (Full House)
58. Row 3 / Column 5 → 3 (Naked Single)
59. Row 2 / Column 5 → 1 (Full House)
60. Row 2 / Column 1 → 2 (Full House)
61. Row 3 / Column 1 → 7 (Full House)