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

This Sudoku Puzzle has 58 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Triple, Remote Pair, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 6 / Column 5 → 6 (Hidden Single)
2. Row 2 / Column 2 → 2 (Hidden Single)
3. Row 3 / Column 5 → 2 (Hidden Single)
4. Row 3 / Column 4 → 5 (Hidden Single)
5. Row 6 / Column 2 → 5 (Hidden Single)
6. Row 4 / Column 2 → 3 (Hidden Single)
7. Row 6 / Column 8 → 3 (Hidden Single)
8. Locked Candidates Type 1 (Pointing): 4 in b2 => r2c7<>4
9. Locked Candidates Type 1 (Pointing): 9 in b2 => r2c17<>9
10. Locked Candidates Type 1 (Pointing): 4 in b6 => r5c5<>4
11. Naked Pair: 7,9 in r5c5,r6c4 => r4c45<>7, r4c456<>9
12. Naked Pair: 7,9 in r4c8,r6c7 => r5c79<>7, r5c79<>9
13. Naked Triple: 3,7,9 in r79c9,r8c8 => r79c7<>3, r789c7<>7, r789c7<>9
14. Locked Candidates Type 1 (Pointing): 3 in b9 => r1c9<>3
15. Remote Pair: 7/9 r6c4 -9- r6c7 -7- r4c8 -9- r8c8 => r8c4<>7, r8c4<>9
16. Row 8 / Column 4 → 8 (Naked Single)
17. Row 4 / Column 4 → 4 (Naked Single)
18. Row 2 / Column 4 → 9 (Naked Single)
19. Row 2 / Column 6 → 4 (Full House)
20. Row 6 / Column 4 → 7 (Full House)
21. Row 6 / Column 7 → 9 (Full House)
22. Row 4 / Column 5 → 5 (Naked Single)
23. Row 5 / Column 5 → 9 (Naked Single)
24. Row 4 / Column 6 → 8 (Full House)
25. Row 4 / Column 8 → 7 (Naked Single)
26. Row 4 / Column 3 → 9 (Full House)
27. Row 8 / Column 8 → 9 (Full House)
28. Row 9 / Column 5 → 7 (Naked Single)
29. Row 7 / Column 5 → 4 (Full House)
30. Row 8 / Column 6 → 5 (Naked Single)
31. Row 7 / Column 6 → 9 (Full House)
32. Row 9 / Column 9 → 3 (Naked Single)
33. Row 7 / Column 9 → 7 (Naked Single)
34. Row 9 / Column 3 → 5 (Naked Single)
35. Row 7 / Column 1 → 3 (Naked Single)
36. Row 9 / Column 7 → 1 (Naked Single)
37. Row 9 / Column 1 → 9 (Full House)
38. Row 2 / Column 1 → 7 (Naked Single)
39. Row 2 / Column 7 → 3 (Full House)
40. Row 7 / Column 3 → 2 (Naked Single)
41. Row 7 / Column 7 → 5 (Full House)
42. Row 8 / Column 7 → 2 (Full House)
43. Row 1 / Column 1 → 5 (Naked Single)
44. Row 3 / Column 1 → 6 (Naked Single)
45. Row 5 / Column 1 → 1 (Full House)
46. Row 3 / Column 2 → 9 (Naked Single)
47. Row 1 / Column 7 → 8 (Naked Single)
48. Row 8 / Column 3 → 7 (Naked Single)
49. Row 8 / Column 2 → 1 (Full House)
50. Row 5 / Column 2 → 7 (Full House)
51. Row 5 / Column 3 → 6 (Full House)
52. Row 3 / Column 3 → 8 (Naked Single)
53. Row 1 / Column 3 → 3 (Full House)
54. Row 1 / Column 9 → 9 (Full House)
55. Row 3 / Column 9 → 4 (Naked Single)
56. Row 3 / Column 7 → 7 (Full House)
57. Row 5 / Column 7 → 4 (Full House)
58. Row 5 / Column 9 → 8 (Full House)