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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Hidden Single, Full House, undefined, Hidden Rectangle, Discontinuous Nice Loop techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 3 → 7 (Naked Single)
2. Row 4 / Column 2 → 9 (Naked Single)
3. Row 5 / Column 1 → 3 (Hidden Single)
4. Row 8 / Column 2 → 8 (Hidden Single)
5. Row 7 / Column 7 → 8 (Hidden Single)
6. Row 7 / Column 3 → 6 (Hidden Single)
7. Row 1 / Column 3 → 8 (Hidden Single)
8. Row 8 / Column 1 → 5 (Hidden Single)
9. Row 9 / Column 2 → 7 (Hidden Single)
10. Row 8 / Column 8 → 2 (Hidden Single)
11. Row 8 / Column 9 → 6 (Hidden Single)
12. Row 9 / Column 9 → 3 (Hidden Single)
13. Row 9 / Column 7 → 1 (Naked Single)
14. Row 7 / Column 8 → 7 (Naked Single)
15. Row 7 / Column 9 → 9 (Full House)
16. Row 6 / Column 8 → 4 (Naked Single)
17. Row 9 / Column 5 → 9 (Hidden Single)
18. Row 7 / Column 1 → 1 (Hidden Single)
19. Row 7 / Column 5 → 4 (Full House)
20. 2-String Kite: 5 in r3c3,r6c7 (connected by r5c3,r6c2) => r3c7<>5
21. Hidden Rectangle: 1/8 in r2c56,r5c56 => r2c5<>1
22. Hidden Rectangle: 5/7 in r1c79,r5c79 => r1c9<>5
23. Discontinuous Nice Loop: 1/2/3 r3c5 =6= r3c7 -6- r4c7 =6= r4c8 =1= r5c9 -1- r5c6 -8- r5c5 =8= r2c5 =6= r3c5 => r3c5<>1, r3c5<>2, r3c5<>3
24. Row 3 / Column 5 → 6 (Naked Single)
25. Row 3 / Column 7 → 2 (Naked Single)
26. Row 3 / Column 4 → 3 (Hidden Single)
27. Row 2 / Column 8 → 6 (Hidden Single)
28. Row 4 / Column 8 → 1 (Full House)
29. Row 4 / Column 4 → 4 (Naked Single)
30. Row 4 / Column 6 → 3 (Naked Single)
31. Row 4 / Column 7 → 6 (Full House)
32. Row 6 / Column 6 → 9 (Naked Single)
33. Row 8 / Column 6 → 1 (Naked Single)
34. Row 5 / Column 6 → 8 (Naked Single)
35. Row 8 / Column 4 → 7 (Naked Single)
36. Row 8 / Column 5 → 3 (Full House)
37. Row 6 / Column 4 → 2 (Naked Single)
38. Row 2 / Column 4 → 1 (Naked Single)
39. Row 1 / Column 4 → 9 (Full House)
40. Row 6 / Column 2 → 5 (Naked Single)
41. Row 5 / Column 3 → 2 (Full House)
42. Row 6 / Column 5 → 7 (Naked Single)
43. Row 5 / Column 5 → 1 (Full House)
44. Row 6 / Column 7 → 3 (Full House)
45. Row 1 / Column 5 → 2 (Naked Single)
46. Row 2 / Column 5 → 8 (Full House)
47. Row 2 / Column 2 → 2 (Naked Single)
48. Row 3 / Column 2 → 1 (Full House)
49. Row 9 / Column 3 → 4 (Naked Single)
50. Row 3 / Column 3 → 5 (Full House)
51. Row 9 / Column 1 → 2 (Full House)
52. Row 1 / Column 1 → 4 (Naked Single)
53. Row 3 / Column 1 → 9 (Full House)
54. Row 3 / Column 9 → 4 (Full House)
55. Row 1 / Column 6 → 5 (Naked Single)
56. Row 2 / Column 6 → 4 (Full House)
57. Row 2 / Column 9 → 5 (Full House)
58. Row 1 / Column 7 → 7 (Naked Single)
59. Row 1 / Column 9 → 1 (Full House)
60. Row 5 / Column 9 → 7 (Full House)
61. Row 5 / Column 7 → 5 (Full House)