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

This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Candidates Type 1 (Pointing), Naked Triple, Locked Candidates Type 2 (Claiming), undefined, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 6 → 3 (Hidden Single)
2. Row 4 / Column 7 → 5 (Hidden Single)
3. Row 8 / Column 3 → 7 (Hidden Single)
4. Row 8 / Column 8 → 8 (Naked Single)
5. Row 3 / Column 6 → 7 (Hidden Single)
6. Row 4 / Column 3 → 3 (Hidden Single)
7. Row 6 / Column 9 → 7 (Hidden Single)
8. Row 7 / Column 2 → 3 (Hidden Single)
9. Locked Pair: 2,4 in r3c79 => r1c78,r2c78,r3c235<>2, r1c7,r3c2<>4
10. Locked Candidates Type 1 (Pointing): 6 in b2 => r789c5<>6
11. Locked Candidates Type 1 (Pointing): 8 in b3 => r56c7<>8
12. Locked Candidates Type 1 (Pointing): 1 in b5 => r9c4<>1
13. Locked Candidates Type 1 (Pointing): 8 in b5 => r79c6<>8
14. Naked Triple: 1,2,6 in r7c679 => r7c3<>6, r7c5<>1, r7c5<>2
15. Locked Candidates Type 2 (Claiming): 1 in r7 => r89c7<>1
16. X-Wing: 5 r37 c35 => r129c5,r2c3<>5
17. Row 2 / Column 8 → 5 (Hidden Single)
18. Row 1 / Column 8 → 7 (Naked Single)
19. Row 1 / Column 7 → 8 (Naked Single)
20. Row 9 / Column 8 → 2 (Naked Single)
21. Row 5 / Column 8 → 3 (Full House)
22. Row 2 / Column 7 → 3 (Naked Single)
23. Row 7 / Column 9 → 1 (Naked Single)
24. Row 7 / Column 7 → 6 (Naked Single)
25. Row 7 / Column 6 → 2 (Naked Single)
26. Row 8 / Column 7 → 9 (Naked Single)
27. Row 9 / Column 7 → 7 (Full House)
28. Row 8 / Column 5 → 1 (Naked Single)
29. Row 8 / Column 2 → 6 (Full House)
30. Row 3 / Column 2 → 9 (Naked Single)
31. Row 4 / Column 4 → 1 (Hidden Single)
32. Row 6 / Column 7 → 1 (Hidden Single)
33. Row 9 / Column 2 → 1 (Hidden Single)
34. Row 4 / Column 1 → 6 (Hidden Single)
35. Row 4 / Column 6 → 8 (Naked Single)
36. Row 4 / Column 9 → 2 (Full House)
37. Row 6 / Column 6 → 9 (Naked Single)
38. Row 9 / Column 6 → 6 (Full House)
39. Row 3 / Column 9 → 4 (Naked Single)
40. Row 3 / Column 7 → 2 (Full House)
41. Row 5 / Column 7 → 4 (Full House)
42. Row 5 / Column 9 → 8 (Full House)
43. Row 6 / Column 4 → 2 (Naked Single)
44. Row 5 / Column 4 → 6 (Full House)
45. Row 5 / Column 2 → 2 (Naked Single)
46. Row 5 / Column 3 → 9 (Full House)
47. Row 6 / Column 3 → 8 (Naked Single)
48. Row 6 / Column 1 → 4 (Full House)
49. Row 1 / Column 2 → 4 (Naked Single)
50. Row 2 / Column 2 → 8 (Full House)
51. Row 7 / Column 3 → 5 (Naked Single)
52. Row 7 / Column 5 → 8 (Full House)
53. Row 9 / Column 1 → 8 (Full House)
54. Row 1 / Column 1 → 5 (Full House)
55. Row 3 / Column 3 → 6 (Naked Single)
56. Row 2 / Column 3 → 2 (Full House)
57. Row 3 / Column 5 → 5 (Full House)
58. Row 2 / Column 5 → 6 (Full House)
59. Row 9 / Column 5 → 9 (Naked Single)
60. Row 1 / Column 5 → 2 (Full House)
61. Row 1 / Column 4 → 9 (Full House)
62. Row 9 / Column 4 → 5 (Full House)