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

This Sudoku Puzzle has 58 steps and it is solved using Naked Single, Hidden Single, Full House, Naked Triple, Remote Pair, Locked Pair techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 7 / Column 9 → 3 (Naked Single)
2. Row 2 / Column 4 → 7 (Hidden Single)
3. Row 2 / Column 5 → 3 (Hidden Single)
4. Row 9 / Column 6 → 3 (Hidden Single)
5. Row 8 / Column 4 → 6 (Hidden Single)
6. Row 3 / Column 5 → 6 (Hidden Single)
7. Row 3 / Column 8 → 4 (Naked Single)
8. Row 3 / Column 9 → 1 (Naked Single)
9. Row 8 / Column 6 → 4 (Hidden Single)
10. Row 7 / Column 2 → 6 (Hidden Single)
11. Row 8 / Column 5 → 1 (Hidden Single)
12. Row 9 / Column 7 → 4 (Hidden Single)
13. Row 7 / Column 1 → 7 (Hidden Single)
14. Row 3 / Column 1 → 5 (Naked Single)
15. Row 3 / Column 3 → 7 (Full House)
16. Naked Triple: 1,2,5 in r268c2 => r45c2<>2, r45c2<>5, r5c2<>1
17. Remote Pair: 9/5 r1c4 -5- r9c4 -9- r7c5 -5- r7c7 => r1c7<>9
18. Locked Pair: 2,8 in r1c79 => r1c3,r2c78<>2, r1c3,r2c78<>8
19. Row 1 / Column 3 → 1 (Naked Single)
20. Row 2 / Column 2 → 2 (Naked Single)
21. Row 2 / Column 3 → 8 (Full House)
22. Row 8 / Column 2 → 5 (Naked Single)
23. Row 6 / Column 2 → 1 (Naked Single)
24. Row 6 / Column 1 → 2 (Naked Single)
25. Row 5 / Column 1 → 9 (Naked Single)
26. Row 9 / Column 1 → 1 (Full House)
27. Row 5 / Column 6 → 5 (Naked Single)
28. Row 1 / Column 6 → 9 (Naked Single)
29. Row 2 / Column 6 → 1 (Full House)
30. Row 1 / Column 4 → 5 (Full House)
31. Row 9 / Column 4 → 9 (Full House)
32. Row 7 / Column 5 → 5 (Full House)
33. Row 7 / Column 7 → 9 (Full House)
34. Row 5 / Column 3 → 6 (Naked Single)
35. Row 6 / Column 5 → 8 (Naked Single)
36. Row 9 / Column 3 → 2 (Naked Single)
37. Row 8 / Column 3 → 9 (Full House)
38. Row 9 / Column 8 → 5 (Full House)
39. Row 2 / Column 7 → 6 (Naked Single)
40. Row 2 / Column 8 → 9 (Full House)
41. Row 5 / Column 5 → 2 (Naked Single)
42. Row 4 / Column 5 → 9 (Full House)
43. Row 6 / Column 7 → 5 (Naked Single)
44. Row 5 / Column 8 → 8 (Naked Single)
45. Row 6 / Column 3 → 3 (Naked Single)
46. Row 4 / Column 3 → 5 (Full House)
47. Row 6 / Column 8 → 6 (Full House)
48. Row 5 / Column 9 → 4 (Naked Single)
49. Row 8 / Column 8 → 2 (Naked Single)
50. Row 4 / Column 8 → 3 (Full House)
51. Row 8 / Column 7 → 8 (Full House)
52. Row 4 / Column 9 → 2 (Naked Single)
53. Row 1 / Column 9 → 8 (Full House)
54. Row 1 / Column 7 → 2 (Full House)
55. Row 5 / Column 2 → 7 (Naked Single)
56. Row 4 / Column 2 → 4 (Full House)
57. Row 4 / Column 7 → 7 (Full House)
58. Row 5 / Column 7 → 1 (Full House)