# Solution for Evil Sudoku #1143713524895

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

This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Full House techniques.

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## Solution Steps:

1. Row 5 / Column 5 → 3 (Hidden Single)
2. Row 9 / Column 5 → 1 (Hidden Single)
3. Row 8 / Column 2 → 3 (Hidden Single)
4. Row 7 / Column 3 → 4 (Hidden Single)
5. Locked Pair: 6,9 in r46c4 => r278c4,r46c6<>6, r278c4,r46c6<>9
6. Row 7 / Column 4 → 5 (Naked Single)
7. Row 4 / Column 6 → 1 (Naked Single)
8. Row 6 / Column 6 → 1 (Naked Single)
9. Row 2 / Column 4 → 8 (Naked Single)
10. Row 8 / Column 4 → 8 (Naked Single)
11. Row 1 / Column 3 → 1 (Hidden Single)
12. Row 3 / Column 8 → 8 (Hidden Single)
13. Row 2 / Column 7 → 1 (Hidden Single)
14. Row 1 / Column 1 → 8 (Hidden Single)
15. Row 3 / Column 7 → 3 (Hidden Single)
16. Row 9 / Column 8 → 3 (Hidden Single)
17. Row 2 / Column 1 → 2 (Hidden Single)
18. Locked Candidates Type 1 (Pointing): 6 in b1 => r67c2<>6
19. Locked Candidates Type 1 (Pointing): 9 in b1 => r67c2<>9
20. Row 6 / Column 2 → 7 (Naked Single)
21. Row 7 / Column 2 → 7 (Naked Single)
22. Row 4 / Column 8 → 7 (Hidden Single)
23. Row 1 / Column 9 → 7 (Hidden Single)
24. Row 2 / Column 5 → 7 (Hidden Single)
25. Locked Candidates Type 2 (Claiming): 2 in c8 => r89c9,r9c7<>2
26. Row 9 / Column 3 → 2 (Hidden Single)
27. Naked Triple: 5,6,9 in r4c13,r5c1 => r5c3<>5, r56c3<>6, r56c3<>9
28. Row 5 / Column 3 → 8 (Naked Single)
29. Row 6 / Column 3 → 8 (Naked Single)
30. Naked Triple: 5,6,9 in r45c7,r5c9 => r6c79<>6, r6c79<>9
31. Row 6 / Column 7 → 2 (Naked Single)
32. Row 6 / Column 9 → 2 (Naked Single)
33. Row 6 / Column 4 → 6 (Hidden Single)
34. Row 4 / Column 4 → 9 (Naked Single)
35. Row 1 / Column 5 → 2 (Hidden Single)
36. Row 8 / Column 3 → 9 (Hidden Single)
37. Row 7 / Column 1 → 6 (Naked Single)
38. Row 8 / Column 5 → 6 (Naked Single)
39. Row 7 / Column 5 → 9 (Full House)
40. Row 3 / Column 5 → 9 (Full House)
41. Row 4 / Column 1 → 5 (Naked Single)
42. Row 4 / Column 3 → 6 (Full House)
43. Row 4 / Column 7 → 6 (Full House)
44. Row 9 / Column 1 → 5 (Naked Single)
45. Row 8 / Column 6 → 2 (Naked Single)
46. Row 8 / Column 8 → 2 (Naked Single)
47. Row 8 / Column 9 → 5 (Naked Single)
48. Row 7 / Column 8 → 2 (Naked Single)
49. Row 3 / Column 9 → 6 (Naked Single)
50. Row 1 / Column 7 → 9 (Full House)
51. Row 2 / Column 8 → 9 (Full House)
52. Row 1 / Column 2 → 6 (Full House)
53. Row 3 / Column 2 → 5 (Full House)
54. Row 2 / Column 2 → 5 (Full House)
55. Row 5 / Column 1 → 9 (Naked Single)
56. Row 9 / Column 7 → 9 (Naked Single)
57. Row 5 / Column 9 → 9 (Naked Single)
58. Row 3 / Column 6 → 5 (Naked Single)
59. Row 9 / Column 9 → 9 (Naked Single)
60. Row 5 / Column 7 → 5 (Naked Single)
61. Row 2 / Column 6 → 6 (Naked Single)