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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Full House, Naked Pair, undefined, Empty Rectangle techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 5 → 2 (Hidden Single)
2. Row 2 / Column 4 → 7 (Hidden Single)
3. Row 8 / Column 2 → 3 (Hidden Single)
4. Row 1 / Column 7 → 3 (Hidden Single)
5. Row 3 / Column 4 → 3 (Hidden Single)
6. Row 8 / Column 8 → 1 (Hidden Single)
7. Row 7 / Column 9 → 8 (Naked Single)
8. Row 7 / Column 8 → 5 (Naked Single)
9. Row 7 / Column 7 → 2 (Naked Single)
10. Row 8 / Column 6 → 2 (Hidden Single)
11. Row 9 / Column 2 → 2 (Hidden Single)
12. Row 1 / Column 8 → 7 (Hidden Single)
13. Row 3 / Column 5 → 5 (Hidden Single)
14. Row 8 / Column 5 → 6 (Naked Single)
15. Row 8 / Column 4 → 5 (Full House)
16. Row 2 / Column 5 → 9 (Naked Single)
17. Row 2 / Column 6 → 6 (Full House)
18. Row 6 / Column 4 → 9 (Naked Single)
19. Row 4 / Column 4 → 6 (Full House)
20. Row 7 / Column 5 → 3 (Naked Single)
21. Row 9 / Column 5 → 8 (Naked Single)
22. Row 7 / Column 6 → 9 (Full House)
23. Row 6 / Column 7 → 7 (Hidden Single)
24. Row 5 / Column 8 → 6 (Hidden Single)
25. Row 5 / Column 6 → 3 (Hidden Single)
26. Row 6 / Column 6 → 5 (Hidden Single)
27. Row 4 / Column 6 → 8 (Full House)
28. Row 4 / Column 8 → 9 (Hidden Single)
29. Row 5 / Column 2 → 9 (Hidden Single)
30. Naked Pair: 1,4 in r5c59 => r5c137<>1, r5c37<>4
31. Row 3 / Column 3 → 4 (Hidden Single)
32. X-Wing: 8 r35 c17 => r2c7<>8
33. Empty Rectangle: 1 in b4 (r24c7) => r2c2<>1
34. Row 2 / Column 2 → 8 (Naked Single)
35. Row 2 / Column 8 → 4 (Naked Single)
36. Row 2 / Column 7 → 1 (Full House)
37. Row 6 / Column 8 → 8 (Full House)
38. Row 5 / Column 7 → 5 (Naked Single)
39. Row 4 / Column 7 → 4 (Naked Single)
40. Row 5 / Column 9 → 1 (Full House)
41. Row 5 / Column 3 → 7 (Naked Single)
42. Row 4 / Column 2 → 1 (Naked Single)
43. Row 4 / Column 1 → 5 (Full House)
44. Row 6 / Column 2 → 4 (Full House)
45. Row 5 / Column 1 → 8 (Full House)
46. Row 5 / Column 5 → 4 (Full House)
47. Row 6 / Column 5 → 1 (Full House)
48. Row 9 / Column 7 → 6 (Naked Single)
49. Row 3 / Column 7 → 8 (Full House)
50. Row 9 / Column 9 → 4 (Full House)
51. Row 7 / Column 3 → 1 (Naked Single)
52. Row 7 / Column 1 → 7 (Full House)
53. Row 9 / Column 1 → 9 (Naked Single)
54. Row 9 / Column 3 → 5 (Full House)
55. Row 1 / Column 3 → 9 (Full House)
56. Row 3 / Column 1 → 6 (Naked Single)
57. Row 1 / Column 1 → 1 (Full House)
58. Row 1 / Column 9 → 6 (Full House)
59. Row 3 / Column 9 → 9 (Full House)