# Solution for Evil Sudoku #1243713524895

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

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 2 / Column 2 → 3 (Hidden Single)
2. Row 5 / Column 5 → 3 (Hidden Single)
3. Row 5 / Column 1 → 1 (Hidden Single)
4. Row 3 / Column 3 → 4 (Hidden Single)
5. Locked Pair: 6,9 in r4c46 => r4c238,r6c46<>6, r4c238,r6c46<>9
6. Row 4 / Column 3 → 5 (Naked Single)
7. Row 6 / Column 4 → 1 (Naked Single)
8. Row 6 / Column 6 → 1 (Naked Single)
9. Row 4 / Column 2 → 8 (Naked Single)
10. Row 4 / Column 8 → 8 (Naked Single)
11. Row 3 / Column 9 → 1 (Hidden Single)
12. Row 8 / Column 7 → 8 (Hidden Single)
13. Row 7 / Column 8 → 1 (Hidden Single)
14. Row 1 / Column 9 → 8 (Hidden Single)
15. Row 8 / Column 1 → 3 (Hidden Single)
16. Row 7 / Column 7 → 3 (Hidden Single)
17. Row 1 / Column 8 → 2 (Hidden Single)
18. Locked Candidates Type 1 (Pointing): 6 in b3 => r2c34<>6
19. Locked Candidates Type 1 (Pointing): 9 in b3 => r2c34<>9
20. Row 2 / Column 3 → 7 (Naked Single)
21. Row 2 / Column 4 → 7 (Naked Single)
22. Row 8 / Column 6 → 7 (Hidden Single)
23. Row 9 / Column 9 → 7 (Hidden Single)
24. Row 5 / Column 8 → 7 (Hidden Single)
25. Locked Candidates Type 2 (Claiming): 2 in r8 => r79c1,r9c2<>2
26. Row 3 / Column 1 → 2 (Hidden Single)
27. Naked Triple: 5,6,9 in r1c56,r3c6 => r3c45<>6, r3c45<>9, r3c5<>5
28. Row 3 / Column 4 → 8 (Naked Single)
29. Row 3 / Column 5 → 8 (Naked Single)
30. Naked Triple: 5,6,9 in r79c1,r9c2 => r8c23<>6, r8c23<>9
31. Row 8 / Column 2 → 2 (Naked Single)
32. Row 8 / Column 3 → 2 (Naked Single)
33. Row 8 / Column 8 → 6 (Hidden Single)
34. Row 6 / Column 7 → 2 (Hidden Single)
35. Row 9 / Column 7 → 9 (Naked Single)
36. Row 7 / Column 9 → 2 (Full House)
37. Row 5 / Column 7 → 6 (Naked Single)
38. Row 2 / Column 7 → 5 (Full House)
39. Row 5 / Column 2 → 9 (Full House)
40. Row 5 / Column 3 → 9 (Full House)
41. Row 5 / Column 9 → 9 (Full House)
42. Row 2 / Column 8 → 9 (Naked Single)
43. Row 2 / Column 9 → 6 (Full House)
44. Row 6 / Column 2 → 6 (Naked Single)
45. Row 3 / Column 2 → 5 (Full House)
46. Row 9 / Column 2 → 5 (Full House)
47. Row 1 / Column 3 → 6 (Naked Single)
48. Row 1 / Column 1 → 9 (Full House)
49. Row 9 / Column 1 → 6 (Full House)
50. Row 1 / Column 5 → 5 (Full House)
51. Row 1 / Column 6 → 5 (Full House)
52. Row 7 / Column 1 → 6 (Full House)
53. Row 6 / Column 8 → 5 (Naked Single)
54. Row 9 / Column 5 → 6 (Naked Single)
55. Row 9 / Column 4 → 2 (Naked Single)
56. Row 7 / Column 4 → 9 (Naked Single)
57. Row 7 / Column 5 → 9 (Naked Single)
58. Row 7 / Column 6 → 9 (Naked Single)
59. Row 4 / Column 4 → 6 (Naked Single)
60. Row 3 / Column 6 → 6 (Naked Single)
61. Row 4 / Column 6 → 6 (Naked Single)