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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Naked Triple, undefined techniques.

Try To Solve This Puzzle

Solution Steps:

1. Row 2 / Column 3 → 8 (Hidden Single)
2. Row 1 / Column 4 → 3 (Hidden Single)
3. Row 6 / Column 5 → 7 (Hidden Single)
4. Row 3 / Column 5 → 2 (Naked Single)
5. Row 4 / Column 8 → 5 (Hidden Single)
6. Row 3 / Column 8 → 6 (Naked Single)
7. Row 3 / Column 7 → 7 (Naked Single)
8. Row 3 / Column 1 → 5 (Full House)
9. Row 2 / Column 9 → 5 (Hidden Single)
10. Row 2 / Column 4 → 1 (Naked Single)
11. Row 2 / Column 5 → 9 (Naked Single)
12. Row 2 / Column 8 → 2 (Naked Single)
13. Row 1 / Column 7 → 1 (Full House)
14. Row 2 / Column 6 → 7 (Naked Single)
15. Row 1 / Column 6 → 5 (Full House)
16. Row 2 / Column 1 → 4 (Full House)
17. Row 8 / Column 5 → 3 (Naked Single)
18. Row 4 / Column 7 → 2 (Naked Single)
19. Row 9 / Column 5 → 4 (Naked Single)
20. Row 6 / Column 9 → 1 (Naked Single)
21. Row 4 / Column 5 → 1 (Naked Single)
22. Row 5 / Column 5 → 8 (Full House)
23. Row 5 / Column 7 → 9 (Naked Single)
24. Row 6 / Column 8 → 8 (Full House)
25. Row 9 / Column 7 → 6 (Naked Single)
26. Row 7 / Column 7 → 8 (Full House)
27. Row 8 / Column 8 → 9 (Naked Single)
28. Row 9 / Column 2 → 5 (Hidden Single)
29. Row 5 / Column 4 → 5 (Hidden Single)
30. Row 8 / Column 2 → 8 (Hidden Single)
31. Locked Candidates Type 1 (Pointing): 6 in b8 => r7c13<>6
32. Locked Candidates Type 2 (Claiming): 2 in r8 => r7c123,r9c13<>2
33. Naked Pair: 2,9 in r16c2 => r5c2<>2, r7c2<>9
34. Naked Triple: 2,7,9 in r9c369 => r9c1<>7, r9c1<>9
35. W-Wing: 6/2 in r6c4,r8c1 connected by 2 in r5c16 => r6c1<>6
36. Row 6 / Column 4 → 6 (Hidden Single)
37. Row 7 / Column 4 → 2 (Full House)
38. Row 4 / Column 6 → 4 (Naked Single)
39. Row 4 / Column 3 → 6 (Full House)
40. Row 5 / Column 6 → 2 (Full House)
41. Row 7 / Column 9 → 7 (Naked Single)
42. Row 9 / Column 9 → 2 (Full House)
43. Row 9 / Column 6 → 9 (Naked Single)
44. Row 7 / Column 6 → 6 (Full House)
45. Row 8 / Column 3 → 2 (Naked Single)
46. Row 8 / Column 1 → 6 (Full House)
47. Row 5 / Column 1 → 3 (Naked Single)
48. Row 5 / Column 2 → 4 (Full House)
49. Row 9 / Column 3 → 7 (Naked Single)
50. Row 9 / Column 1 → 1 (Naked Single)
51. Row 9 / Column 8 → 3 (Full House)
52. Row 7 / Column 8 → 1 (Full House)
53. Row 7 / Column 2 → 3 (Naked Single)
54. Row 1 / Column 3 → 9 (Naked Single)
55. Row 7 / Column 3 → 4 (Full House)
56. Row 7 / Column 1 → 9 (Full House)
57. Row 1 / Column 2 → 2 (Naked Single)
58. Row 1 / Column 1 → 7 (Full House)
59. Row 6 / Column 1 → 2 (Full House)
60. Row 6 / Column 2 → 9 (Full House)