# Solution for Evil Sudoku #1373713524895

7
1
8
7
7
3
8
1
4
1
3
5
7
2
8
3
4
2
4
5
1
3
7
7
7
3

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

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## Solution Steps:

1. Row 1 / Column 5 → 1 (Hidden Single)
2. Row 5 / Column 5 → 3 (Hidden Single)
3. Row 3 / Column 8 → 7 (Hidden Single)
4. Row 6 / Column 2 → 7 (Hidden Single)
5. Row 1 / Column 3 → 4 (Hidden Single)
6. Row 2 / Column 8 → 3 (Hidden Single)
7. Row 1 / Column 2 → 3 (Hidden Single)
8. Row 7 / Column 3 → 3 (Hidden Single)
9. Locked Candidates Type 1 (Pointing): 5 in b1 => r5c1<>5
10. Locked Candidates Type 1 (Pointing): 8 in b4 => r79c1<>8
11. Locked Candidates Type 1 (Pointing): 4 in b9 => r9c5<>4
12. Locked Candidates Type 2 (Claiming): 8 in r9 => r8c9<>8
13. Locked Candidates Type 2 (Claiming): 5 in c8 => r8c9<>5
14. Naked Triple: 1,6,9 in r4c468 => r4c137<>6, r4c137<>9, r4c7<>1
15. Row 4 / Column 3 → 2 (Naked Single)
16. Row 4 / Column 7 → 8 (Naked Single)
17. Row 4 / Column 1 → 8 (Naked Single)
18. Row 9 / Column 9 → 8 (Hidden Single)
19. Row 9 / Column 7 → 4 (Hidden Single)
20. Row 3 / Column 9 → 4 (Hidden Single)
21. Row 6 / Column 7 → 1 (Hidden Single)
22. Row 8 / Column 9 → 2 (Hidden Single)
23. Row 4 / Column 4 → 1 (Hidden Single)
24. Locked Candidates Type 1 (Pointing): 6 in b9 => r4c8<>6
25. Row 4 / Column 8 → 9 (Naked Single)
26. Row 4 / Column 6 → 6 (Naked Single)
27. Row 1 / Column 9 → 9 (Hidden Single)
28. Locked Pair: 5,6 in r5c79 => r5c13,r6c9<>6, r5c3,r6c9<>5
29. Row 5 / Column 1 → 9 (Naked Single)
30. Row 5 / Column 3 → 9 (Naked Single)
31. Row 6 / Column 9 → 6 (Naked Single)
32. Row 5 / Column 7 → 5 (Naked Single)
33. Row 5 / Column 9 → 5 (Naked Single)
34. Row 6 / Column 3 → 5 (Naked Single)
35. Row 9 / Column 5 → 9 (Hidden Single)
36. Row 8 / Column 5 → 6 (Naked Single)
37. Row 3 / Column 5 → 2 (Naked Single)
38. Row 2 / Column 5 → 4 (Full House)
39. Row 7 / Column 5 → 4 (Full House)
40. Row 8 / Column 3 → 1 (Naked Single)
41. Row 3 / Column 7 → 6 (Naked Single)
42. Row 1 / Column 7 → 2 (Full House)
43. Row 2 / Column 7 → 2 (Full House)
44. Row 8 / Column 8 → 5 (Naked Single)
45. Row 9 / Column 3 → 6 (Naked Single)
46. Row 3 / Column 2 → 9 (Naked Single)
47. Row 8 / Column 4 → 8 (Full House)
48. Row 8 / Column 6 → 8 (Full House)
49. Row 3 / Column 6 → 5 (Full House)
50. Row 8 / Column 2 → 8 (Full House)
51. Row 7 / Column 8 → 6 (Naked Single)
52. Row 9 / Column 8 → 1 (Full House)
53. Row 9 / Column 1 → 2 (Full House)
54. Row 7 / Column 1 → 2 (Naked Single)
55. Row 2 / Column 2 → 6 (Naked Single)
56. Row 2 / Column 6 → 9 (Full House)
57. Row 1 / Column 1 → 5 (Full House)
58. Row 2 / Column 1 → 5 (Full House)
59. Row 2 / Column 4 → 9 (Full House)
60. Row 6 / Column 6 → 4 (Full House)
61. Row 6 / Column 4 → 4 (Full House)
62. Row 7 / Column 2 → 2 (Naked Single)
63. Row 7 / Column 4 → 5 (Naked Single)