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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 6 → 8 (Hidden Single)
2. Row 5 / Column 5 → 4 (Hidden Single)
3. Row 4 / Column 6 → 1 (Hidden Single)
4. Row 4 / Column 4 → 5 (Hidden Single)
5. Row 2 / Column 6 → 5 (Hidden Single)
6. Row 4 / Column 2 → 6 (Hidden Single)
7. Row 5 / Column 4 → 6 (Hidden Single)
8. Locked Triple: 1,3,8 in r5c123 => r5c79,r6c2<>3, r4c3,r5c9<>8
9. Row 4 / Column 9 → 8 (Hidden Single)
10. Row 3 / Column 9 → 4 (Hidden Single)
11. Row 2 / Column 2 → 4 (Hidden Single)
12. Row 6 / Column 2 → 2 (Naked Single)
13. Row 4 / Column 3 → 4 (Naked Single)
14. Row 7 / Column 2 → 5 (Naked Single)
15. Row 9 / Column 2 → 7 (Naked Single)
16. Row 8 / Column 2 → 8 (Naked Single)
17. Row 5 / Column 2 → 3 (Full House)
18. Row 7 / Column 1 → 4 (Hidden Single)
19. Row 6 / Column 8 → 4 (Hidden Single)
20. Row 8 / Column 8 → 7 (Hidden Single)
21. Row 8 / Column 1 → 1 (Hidden Single)
22. Row 5 / Column 1 → 8 (Naked Single)
23. Row 5 / Column 3 → 1 (Full House)
24. Row 9 / Column 8 → 1 (Hidden Single)
25. Row 7 / Column 5 → 1 (Hidden Single)
26. Row 8 / Column 6 → 6 (Hidden Single)
27. Row 9 / Column 1 → 6 (Hidden Single)
28. Row 3 / Column 3 → 8 (Hidden Single)
29. Row 3 / Column 8 → 6 (Hidden Single)
30. Row 7 / Column 7 → 6 (Hidden Single)
31. Row 3 / Column 7 → 5 (Hidden Single)
32. Row 1 / Column 3 → 5 (Hidden Single)
33. Row 1 / Column 5 → 6 (Hidden Single)
34. Row 9 / Column 9 → 5 (Hidden Single)
35. W-Wing: 9/2 in r8c9,r9c3 connected by 2 in r7c39 => r9c7<>9
36. Row 5 / Column 7 → 9 (Hidden Single)
37. Row 5 / Column 9 → 7 (Full House)
38. Row 1 / Column 7 → 7 (Hidden Single)
39. Remote Pair: 2/3 r3c5 -3- r3c1 -2- r1c1 -3- r1c9 -2- r2c8 -3- r4c8 -2- r4c7 -3- r9c7 => r9c5<>2, r9c5<>3
40. Row 9 / Column 5 → 9 (Naked Single)
41. Row 7 / Column 6 → 3 (Naked Single)
42. Row 8 / Column 4 → 2 (Full House)
43. Row 6 / Column 6 → 9 (Full House)
44. Row 8 / Column 9 → 9 (Full House)
45. Row 6 / Column 4 → 3 (Full House)
46. Row 2 / Column 4 → 9 (Full House)
47. Row 9 / Column 3 → 2 (Naked Single)
48. Row 7 / Column 3 → 9 (Full House)
49. Row 7 / Column 9 → 2 (Full House)
50. Row 9 / Column 7 → 3 (Full House)
51. Row 1 / Column 9 → 3 (Full House)
52. Row 4 / Column 7 → 2 (Full House)
53. Row 1 / Column 1 → 2 (Full House)
54. Row 2 / Column 8 → 2 (Full House)
55. Row 4 / Column 8 → 3 (Full House)
56. Row 3 / Column 1 → 3 (Full House)
57. Row 2 / Column 5 → 3 (Full House)
58. Row 3 / Column 5 → 2 (Full House)