# Solution for Evil Sudoku #1326713524895

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

This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Pair, Naked Quadruple, Naked Single, Full House, Naked Pair techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 5 → 1 (Hidden Single)
2. Row 1 / Column 3 → 4 (Hidden Single)
3. Locked Candidates Type 1 (Pointing): 5 in b1 => r5c1<>5
4. Locked Candidates Type 1 (Pointing): 6 in b1 => r78c2<>6
5. Locked Candidates Type 1 (Pointing): 8 in b4 => r79c1<>8
6. Locked Candidates Type 1 (Pointing): 4 in b9 => r9c5<>4
7. Locked Candidates Type 2 (Claiming): 3 in r1 => r2c12,r3c2<>3
8. Locked Candidates Type 2 (Claiming): 8 in r9 => r8c9<>8
9. Hidden Pair: 4,8 in r9c79 => r9c7<>1, r9c79<>6, r9c79<>9
10. Locked Candidates Type 1 (Pointing): 1 in b9 => r4c8<>1
11. Naked Quadruple: 3,4,6,9 in r2357c5 => r89c5<>6, r89c5<>9
12. Row 8 / Column 5 → 7 (Naked Single)
13. Row 9 / Column 5 → 7 (Naked Single)
14. Row 9 / Column 1 → 9 (Naked Single)
15. Row 7 / Column 1 → 3 (Naked Single)
16. Row 1 / Column 1 → 5 (Naked Single)
17. Row 5 / Column 1 → 8 (Naked Single)
18. Row 7 / Column 2 → 8 (Naked Single)
19. Row 7 / Column 3 → 6 (Naked Single)
20. Row 2 / Column 1 → 2 (Naked Single)
21. Row 4 / Column 1 → 7 (Full House)
22. Row 8 / Column 2 → 2 (Naked Single)
23. Row 9 / Column 3 → 1 (Full House)
24. Row 8 / Column 3 → 1 (Full House)
25. Row 3 / Column 2 → 9 (Naked Single)
26. Row 9 / Column 8 → 6 (Naked Single)
27. Row 2 / Column 2 → 6 (Naked Single)
28. Row 6 / Column 2 → 3 (Full House)
29. Row 1 / Column 2 → 3 (Full House)
30. Row 4 / Column 8 → 9 (Naked Single)
31. Row 4 / Column 3 → 2 (Naked Single)
32. Row 4 / Column 4 → 1 (Naked Single)
33. Row 4 / Column 6 → 6 (Naked Single)
34. Row 4 / Column 7 → 8 (Full House)
35. Row 7 / Column 8 → 5 (Naked Single)
36. Row 8 / Column 8 → 5 (Naked Single)
37. Row 9 / Column 7 → 4 (Naked Single)
38. Row 2 / Column 8 → 3 (Naked Single)
39. Row 8 / Column 9 → 9 (Naked Single)
40. Row 9 / Column 9 → 8 (Naked Single)
41. Row 3 / Column 8 → 7 (Naked Single)
42. Row 1 / Column 9 → 6 (Naked Single)
43. Row 8 / Column 4 → 8 (Naked Single)
44. Row 8 / Column 6 → 8 (Naked Single)
45. Row 1 / Column 7 → 9 (Naked Single)
46. Row 5 / Column 9 → 5 (Naked Single)
47. Row 2 / Column 7 → 5 (Naked Single)
48. Row 3 / Column 9 → 4 (Naked Single)
49. Row 6 / Column 9 → 7 (Full House)
50. Row 3 / Column 7 → 2 (Full House)
51. Row 5 / Column 3 → 9 (Naked Single)
52. Row 6 / Column 3 → 5 (Full House)
53. Row 5 / Column 7 → 6 (Naked Single)
54. Row 6 / Column 7 → 1 (Full House)
55. Row 5 / Column 5 → 3 (Full House)
56. Row 3 / Column 5 → 3 (Naked Single)
57. Row 3 / Column 6 → 5 (Naked Single)
58. Naked Pair: 4,9 in r2c45 => r2c6<>4, r2c6<>9
59. Row 2 / Column 6 → 9 (Naked Single)
60. Row 2 / Column 4 → 4 (Naked Single)
61. Row 6 / Column 4 → 9 (Full House)
62. Row 6 / Column 6 → 4 (Full House)
63. Row 7 / Column 4 → 9 (Full House)
64. Row 2 / Column 5 → 4 (Naked Single)
65. Row 7 / Column 5 → 4 (Naked Single)