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

This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Full House, Hidden Single, Naked Pair, Naked Triple, Swordfish, Skyscraper techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 9 / Column 8 → 8 (Naked Single)
2. Row 7 / Column 8 → 1 (Naked Single)
3. Row 8 / Column 8 → 6 (Naked Single)
4. Row 1 / Column 8 → 5 (Naked Single)
5. Row 8 / Column 7 → 2 (Naked Single)
6. Row 8 / Column 9 → 7 (Full House)
7. Row 9 / Column 4 → 2 (Hidden Single)
8. Row 2 / Column 4 → 5 (Hidden Single)
9. Row 5 / Column 3 → 2 (Hidden Single)
10. Row 7 / Column 1 → 2 (Hidden Single)
11. Row 1 / Column 9 → 2 (Hidden Single)
12. Row 3 / Column 5 → 2 (Hidden Single)
13. Row 5 / Column 2 → 7 (Hidden Single)
14. Row 2 / Column 3 → 7 (Hidden Single)
15. Row 8 / Column 5 → 4 (Hidden Single)
16. Row 9 / Column 6 → 3 (Naked Single)
17. Row 9 / Column 2 → 4 (Full House)
18. Row 3 / Column 4 → 7 (Hidden Single)
19. Row 7 / Column 5 → 7 (Hidden Single)
20. Row 6 / Column 3 → 4 (Hidden Single)
21. Row 3 / Column 6 → 4 (Hidden Single)
22. Row 1 / Column 1 → 4 (Hidden Single)
23. Row 5 / Column 7 → 4 (Hidden Single)
24. Row 2 / Column 5 → 9 (Hidden Single)
25. Row 1 / Column 2 → 8 (Hidden Single)
26. Row 7 / Column 2 → 5 (Naked Single)
27. Row 7 / Column 6 → 9 (Naked Single)
28. Row 7 / Column 4 → 8 (Full House)
29. Row 8 / Column 4 → 1 (Naked Single)
30. Row 8 / Column 6 → 5 (Full House)
31. Row 1 / Column 4 → 6 (Naked Single)
32. Row 1 / Column 6 → 1 (Full House)
33. Row 5 / Column 6 → 6 (Full House)
34. Naked Pair: 3,9 in r5c48 => r5c19<>3, r5c1<>9
35. Naked Triple: 1,3,8 in r4c3,r5c1,r6c2 => r46c1<>1, r46c1<>3, r46c1<>8
36. Swordfish: 3 r248 c139 => r36c9<>3
37. Naked Pair: 1,8 in r35c9 => r246c9<>1, r46c9<>8
38. Skyscraper: 1 in r2c7,r5c9 (connected by r25c1) => r3c9,r46c7<>1
39. Row 3 / Column 9 → 8 (Naked Single)
40. Row 5 / Column 9 → 1 (Naked Single)
41. Row 5 / Column 1 → 8 (Naked Single)
42. Row 4 / Column 3 → 3 (Naked Single)
43. Row 8 / Column 3 → 8 (Full House)
44. Row 8 / Column 1 → 3 (Full House)
45. Row 4 / Column 9 → 5 (Naked Single)
46. Row 6 / Column 2 → 1 (Naked Single)
47. Row 3 / Column 2 → 3 (Full House)
48. Row 2 / Column 1 → 1 (Full House)
49. Row 4 / Column 1 → 9 (Naked Single)
50. Row 6 / Column 1 → 5 (Full House)
51. Row 6 / Column 9 → 6 (Naked Single)
52. Row 2 / Column 9 → 3 (Full House)
53. Row 2 / Column 7 → 6 (Full House)
54. Row 6 / Column 5 → 8 (Naked Single)
55. Row 4 / Column 5 → 1 (Full House)
56. Row 4 / Column 7 → 8 (Full House)
57. Row 3 / Column 8 → 9 (Naked Single)
58. Row 3 / Column 7 → 1 (Full House)
59. Row 6 / Column 7 → 9 (Full House)
60. Row 5 / Column 8 → 3 (Full House)
61. Row 6 / Column 4 → 3 (Full House)
62. Row 5 / Column 4 → 9 (Full House)