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

This Sudoku Puzzle has 63 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Pair, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 7 → 4 (Naked Single)
2. Row 5 / Column 3 → 9 (Full House)
3. Row 3 / Column 1 → 7 (Hidden Single)
4. Row 8 / Column 8 → 8 (Hidden Single)
5. Row 7 / Column 1 → 8 (Hidden Single)
6. Row 2 / Column 8 → 7 (Hidden Single)
7. Row 2 / Column 9 → 5 (Hidden Single)
8. Locked Pair: 4,6 in r4c46 => r4c23,r6c46<>4, r4c79,r6c46<>6
9. Row 4 / Column 9 → 7 (Naked Single)
10. Row 6 / Column 7 → 6 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c5<>9
12. Locked Candidates Type 1 (Pointing): 4 in b3 => r1c123<>4
13. Locked Candidates Type 1 (Pointing): 5 in b7 => r6c1<>5
14. Row 6 / Column 1 → 4 (Naked Single)
15. Locked Candidates Type 1 (Pointing): 6 in b7 => r12c2<>6
16. Locked Candidates Type 1 (Pointing): 3 in b9 => r3c7<>3
17. Locked Candidates Type 2 (Claiming): 9 in c5 => r7c46,r8c46<>9
18. Naked Pair: 4,6 in r48c4 => r23c4<>6, r7c4<>4
19. Naked Triple: 4,6,9 in r8c245 => r8c1<>9, r8c6<>4, r8c6<>6
20. Row 8 / Column 6 → 7 (Naked Single)
21. Row 7 / Column 7 → 7 (Hidden Single)
22. Row 7 / Column 3 → 3 (Hidden Single)
23. Row 1 / Column 3 → 6 (Naked Single)
24. Row 8 / Column 1 → 5 (Naked Single)
25. Row 3 / Column 3 → 8 (Naked Single)
26. Row 8 / Column 7 → 3 (Naked Single)
27. Row 9 / Column 1 → 9 (Naked Single)
28. Row 1 / Column 1 → 3 (Full House)
29. Row 2 / Column 3 → 4 (Naked Single)
30. Row 2 / Column 2 → 1 (Naked Single)
31. Row 1 / Column 2 → 9 (Full House)
32. Row 2 / Column 4 → 3 (Naked Single)
33. Row 2 / Column 5 → 6 (Naked Single)
34. Row 2 / Column 6 → 8 (Full House)
35. Row 8 / Column 5 → 9 (Naked Single)
36. Row 3 / Column 9 → 6 (Hidden Single)
37. Row 4 / Column 2 → 8 (Hidden Single)
38. Row 7 / Column 9 → 9 (Hidden Single)
39. Row 3 / Column 8 → 3 (Hidden Single)
40. Row 4 / Column 6 → 6 (Hidden Single)
41. Row 4 / Column 4 → 4 (Naked Single)
42. Row 8 / Column 4 → 6 (Naked Single)
43. Row 8 / Column 2 → 4 (Full House)
44. Row 7 / Column 2 → 2 (Naked Single)
45. Row 9 / Column 2 → 6 (Full House)
46. Row 7 / Column 4 → 1 (Naked Single)
47. Row 7 / Column 6 → 4 (Full House)
48. Row 9 / Column 5 → 2 (Full House)
49. Row 1 / Column 5 → 1 (Full House)
50. Row 6 / Column 4 → 9 (Naked Single)
51. Row 3 / Column 4 → 2 (Full House)
52. Row 3 / Column 6 → 9 (Full House)
53. Row 6 / Column 6 → 1 (Full House)
54. Row 3 / Column 7 → 1 (Full House)
55. Row 1 / Column 9 → 4 (Naked Single)
56. Row 1 / Column 8 → 2 (Full House)
57. Row 9 / Column 9 → 1 (Full House)
58. Row 9 / Column 7 → 5 (Naked Single)
59. Row 4 / Column 7 → 2 (Full House)
60. Row 6 / Column 8 → 5 (Full House)
61. Row 9 / Column 8 → 4 (Full House)
62. Row 4 / Column 3 → 5 (Full House)
63. Row 6 / Column 3 → 2 (Full House)