# Solution for Hard Sudoku #1373849152698

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

This Sudoku Puzzle has 63 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Turbot Fish techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 9 → 4 (Naked Single)
2. Row 4 / Column 8 → 7 (Naked Single)
3. Row 4 / Column 4 → 9 (Naked Single)
4. Row 4 / Column 7 → 8 (Naked Single)
5. Row 4 / Column 3 → 2 (Full House)
6. Row 2 / Column 2 → 6 (Hidden Single)
7. Row 5 / Column 6 → 2 (Hidden Single)
8. Row 3 / Column 4 → 7 (Hidden Single)
9. Row 5 / Column 5 → 7 (Hidden Single)
10. Row 6 / Column 3 → 7 (Hidden Single)
11. Row 9 / Column 7 → 7 (Hidden Single)
12. Row 7 / Column 7 → 9 (Hidden Single)
13. Row 1 / Column 1 → 2 (Hidden Single)
14. Row 9 / Column 2 → 2 (Hidden Single)
15. Row 7 / Column 9 → 2 (Hidden Single)
16. Row 2 / Column 7 → 2 (Hidden Single)
17. Locked Candidates Type 1 (Pointing): 4 in b1 => r5c3<>4
18. Locked Candidates Type 1 (Pointing): 1 in b3 => r1c23<>1
19. Locked Candidates Type 1 (Pointing): 6 in b8 => r9c8<>6
20. Locked Candidates Type 2 (Claiming): 3 in r3 => r1c23,r2c3<>3
21. 2-String Kite: 5 in r1c4,r6c7 (connected by r5c4,r6c6) => r1c7<>5
22. Turbot Fish: 5 r2c9 =5= r1c8 -5- r1c4 =5= r5c4 => r5c9<>5
23. XY-Wing: 3/5/1 in r1c7,r29c9 => r8c7<>1
24. XY-Wing: 1/4/5 in r36c1,r6c6 => r3c6<>5
25. Row 3 / Column 6 → 8 (Naked Single)
26. Row 9 / Column 5 → 8 (Hidden Single)
27. Row 9 / Column 3 → 9 (Hidden Single)
28. Row 8 / Column 5 → 9 (Hidden Single)
29. Row 1 / Column 2 → 9 (Hidden Single)
30. Row 5 / Column 1 → 9 (Hidden Single)
31. Row 7 / Column 4 → 3 (Hidden Single)
32. Row 1 / Column 3 → 8 (Hidden Single)
33. Row 5 / Column 2 → 8 (Hidden Single)
34. Row 5 / Column 4 → 4 (Hidden Single)
35. Row 6 / Column 6 → 5 (Full House)
36. Row 9 / Column 4 → 6 (Naked Single)
37. Row 1 / Column 4 → 5 (Full House)
38. Row 6 / Column 1 → 4 (Hidden Single)
39. Row 2 / Column 3 → 4 (Hidden Single)
40. Row 2 / Column 5 → 3 (Naked Single)
41. Row 1 / Column 5 → 4 (Full House)
42. Row 2 / Column 9 → 5 (Full House)
43. Row 1 / Column 6 → 6 (Full House)
44. Row 9 / Column 9 → 1 (Naked Single)
45. Row 5 / Column 9 → 3 (Full House)
46. Row 7 / Column 8 → 4 (Naked Single)
47. Row 7 / Column 6 → 1 (Full House)
48. Row 9 / Column 6 → 4 (Full House)
49. Row 9 / Column 8 → 5 (Full House)
50. Row 5 / Column 3 → 1 (Naked Single)
51. Row 6 / Column 2 → 3 (Full House)
52. Row 6 / Column 7 → 1 (Full House)
53. Row 3 / Column 2 → 1 (Full House)
54. Row 5 / Column 8 → 6 (Naked Single)
55. Row 5 / Column 7 → 5 (Full House)
56. Row 8 / Column 3 → 5 (Naked Single)
57. Row 3 / Column 3 → 3 (Full House)
58. Row 3 / Column 1 → 5 (Full House)
59. Row 8 / Column 1 → 1 (Full House)
60. Row 1 / Column 7 → 3 (Naked Single)
61. Row 1 / Column 8 → 1 (Full House)
62. Row 8 / Column 8 → 3 (Full House)
63. Row 8 / Column 7 → 6 (Full House)