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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 8 → 1 (Hidden Single)
2. Row 2 / Column 2 → 7 (Hidden Single)
3. Row 2 / Column 1 → 5 (Hidden Single)
4. Row 7 / Column 5 → 1 (Hidden Single)
5. Row 9 / Column 1 → 1 (Hidden Single)
6. Row 4 / Column 4 → 1 (Hidden Single)
7. Row 7 / Column 7 → 3 (Hidden Single)
8. Row 2 / Column 7 → 2 (Naked Single)
9. Row 3 / Column 7 → 6 (Naked Single)
10. Row 1 / Column 9 → 9 (Naked Single)
11. Row 4 / Column 7 → 5 (Naked Single)
12. Row 5 / Column 7 → 7 (Full House)
13. Row 2 / Column 8 → 4 (Naked Single)
14. Row 2 / Column 9 → 3 (Full House)
15. Row 8 / Column 2 → 3 (Hidden Single)
16. Row 9 / Column 8 → 5 (Hidden Single)
17. Row 1 / Column 5 → 4 (Hidden Single)
18. Row 8 / Column 3 → 4 (Hidden Single)
19. Row 6 / Column 2 → 4 (Hidden Single)
20. Row 5 / Column 6 → 4 (Hidden Single)
21. Locked Candidates Type 1 (Pointing): 8 in b1 => r3c45<>8
22. Locked Candidates Type 1 (Pointing): 9 in b1 => r3c45<>9
23. Locked Candidates Type 1 (Pointing): 2 in b2 => r3c2<>2
24. Naked Pair: 8,9 in r39c2 => r4c2<>9
25. Locked Candidates Type 1 (Pointing): 9 in b4 => r5c45<>9
26. Naked Pair: 8,9 in r27c6 => r48c6<>8, r48c6<>9
27. Row 4 / Column 5 → 9 (Hidden Single)
28. Row 9 / Column 2 → 9 (Hidden Single)
29. Row 3 / Column 2 → 8 (Naked Single)
30. Row 8 / Column 1 → 6 (Naked Single)
31. Row 7 / Column 3 → 8 (Full House)
32. Row 3 / Column 3 → 9 (Naked Single)
33. Row 1 / Column 1 → 2 (Naked Single)
34. Row 1 / Column 2 → 6 (Full House)
35. Row 5 / Column 1 → 9 (Full House)
36. Row 4 / Column 2 → 2 (Full House)
37. Row 7 / Column 6 → 9 (Naked Single)
38. Row 7 / Column 8 → 6 (Full House)
39. Row 4 / Column 6 → 6 (Naked Single)
40. Row 4 / Column 8 → 8 (Full House)
41. Row 2 / Column 6 → 8 (Naked Single)
42. Row 2 / Column 4 → 9 (Full House)
43. Row 6 / Column 8 → 2 (Naked Single)
44. Row 5 / Column 9 → 6 (Full House)
45. Row 8 / Column 8 → 9 (Full House)
46. Row 6 / Column 6 → 7 (Naked Single)
47. Row 8 / Column 6 → 2 (Full House)
48. Row 5 / Column 3 → 5 (Naked Single)
49. Row 6 / Column 3 → 6 (Full House)
50. Row 6 / Column 5 → 3 (Naked Single)
51. Row 6 / Column 4 → 5 (Full House)
52. Row 8 / Column 4 → 8 (Naked Single)
53. Row 8 / Column 9 → 7 (Full House)
54. Row 9 / Column 5 → 7 (Full House)
55. Row 9 / Column 9 → 8 (Full House)
56. Row 3 / Column 5 → 2 (Naked Single)
57. Row 3 / Column 4 → 3 (Full House)
58. Row 5 / Column 4 → 2 (Full House)
59. Row 5 / Column 5 → 8 (Full House)