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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Locked Candidates Type 2 (Claiming), Naked Single, Naked Pair, Locked Pair, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

1. Row 1 / Column 8 → 6 (Hidden Single)
2. Row 9 / Column 2 → 6 (Hidden Single)
3. Row 9 / Column 5 → 8 (Hidden Single)
4. Row 7 / Column 6 → 9 (Hidden Single)
5. Row 8 / Column 1 → 3 (Hidden Single)
6. Row 7 / Column 4 → 7 (Hidden Single)
7. Row 6 / Column 1 → 2 (Hidden Single)
8. Row 2 / Column 6 → 7 (Hidden Single)
9. Row 2 / Column 4 → 6 (Hidden Single)
10. Row 5 / Column 6 → 6 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 3 in b2 => r3c89<>3
12. Naked Triple: 1,3,4 in r8c7,r9c89 => r7c8,r8c9<>1, r8c9<>4
13. Locked Candidates Type 2 (Claiming): 1 in r7 => r89c3<>1
14. Row 9 / Column 3 → 2 (Naked Single)
15. Naked Pair: 1,4 in r59c4 => r348c4<>4, r48c4<>1
16. Row 8 / Column 4 → 2 (Naked Single)
17. Naked Triple: 1,3,4 in r268c7 => r14c7<>1, r4c7<>3, r4c7<>4
18. Locked Candidates Type 1 (Pointing): 1 in b3 => r2c13<>1
19. Locked Pair: 5,8 in r2c13 => r1c12,r2c9,r3c2<>5
20. Row 1 / Column 5 → 5 (Hidden Single)
21. Row 3 / Column 4 → 3 (Naked Single)
22. Row 4 / Column 4 → 5 (Naked Single)
23. Row 6 / Column 6 → 3 (Hidden Single)
24. Row 2 / Column 7 → 3 (Hidden Single)
25. Row 2 / Column 9 → 1 (Naked Single)
26. Row 8 / Column 6 → 1 (Hidden Single)
27. Row 9 / Column 4 → 4 (Full House)
28. Row 5 / Column 4 → 1 (Full House)
29. Row 8 / Column 7 → 4 (Naked Single)
30. Row 9 / Column 9 → 3 (Naked Single)
31. Row 9 / Column 8 → 1 (Full House)
32. Row 6 / Column 7 → 1 (Naked Single)
33. Row 6 / Column 8 → 8 (Naked Single)
34. Row 5 / Column 9 → 4 (Naked Single)
35. Row 5 / Column 1 → 8 (Full House)
36. Row 7 / Column 8 → 5 (Naked Single)
37. Row 8 / Column 9 → 8 (Full House)
38. Row 8 / Column 3 → 5 (Full House)
39. Row 4 / Column 9 → 9 (Naked Single)
40. Row 3 / Column 9 → 5 (Full House)
41. Row 2 / Column 1 → 5 (Naked Single)
42. Row 2 / Column 3 → 8 (Full House)
43. Row 3 / Column 8 → 2 (Naked Single)
44. Row 1 / Column 7 → 9 (Full House)
45. Row 4 / Column 7 → 2 (Full House)
46. Row 4 / Column 8 → 3 (Full House)
47. Row 7 / Column 1 → 1 (Naked Single)
48. Row 1 / Column 1 → 4 (Full House)
49. Row 7 / Column 2 → 8 (Full House)
50. Row 6 / Column 3 → 7 (Naked Single)
51. Row 4 / Column 3 → 1 (Full House)
52. Row 3 / Column 6 → 4 (Naked Single)
53. Row 1 / Column 6 → 2 (Full House)
54. Row 1 / Column 2 → 1 (Full House)
55. Row 3 / Column 2 → 9 (Full House)
56. Row 6 / Column 5 → 4 (Naked Single)
57. Row 4 / Column 5 → 7 (Full House)
58. Row 4 / Column 2 → 4 (Full House)
59. Row 6 / Column 2 → 5 (Full House)