# Solution for Evil Sudoku #1189713524895

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

This Sudoku Puzzle has 67 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Rectangle, undefined, Naked Single, Naked Pair, Discontinuous Nice Loop, Locked Pair, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 8 → 8 (Hidden Single)
2. Row 9 / Column 5 → 1 (Hidden Single)
3. Row 9 / Column 7 → 4 (Hidden Single)
4. Row 2 / Column 5 → 7 (Hidden Single)
5. Row 4 / Column 8 → 7 (Hidden Single)
6. Row 1 / Column 9 → 7 (Hidden Single)
7. Row 7 / Column 1 → 7 (Hidden Single)
8. Row 6 / Column 2 → 7 (Hidden Single)
9. Row 1 / Column 1 → 4 (Hidden Single)
10. Locked Candidates Type 1 (Pointing): 1 in b4 => r1c3<>1
11. Locked Candidates Type 1 (Pointing): 5 in b9 => r5c9<>5
12. Locked Candidates Type 1 (Pointing): 9 in b9 => r3c8<>9
13. Locked Candidates Type 2 (Claiming): 3 in r9 => r78c8,r8c9<>3
14. Hidden Rectangle: 1/6 in r4c36,r6c36 => r4c3<>6
15. Almost Locked Set XZ-Rule: A=r8c23456 {234569}, B=r78c8 {269}, X=9, Z=2,6 => r8c9<>2, r8c9<>6
16. Row 8 / Column 9 → 5 (Naked Single)
17. Row 7 / Column 4 → 5 (Hidden Single)
18. Locked Candidates Type 2 (Claiming): 5 in c2 => r2c1<>5
19. Naked Pair: 6,9 in r26c4 => r48c4<>6
20. Discontinuous Nice Loop: 6 r3c5 -6- r2c4 -9- r6c4 =9= r5c5 =3= r4c4 =4= r4c6 -4- r3c6 =4= r3c5 => r3c5<>6
21. Almost Locked Set XZ-Rule: A=r8c2356 {23469}, B=r8c4 {34}, X=3,4 => r8c8<>2, r8c8<>6, r8c8,r9c13<>9
22. Row 8 / Column 8 → 9 (Naked Single)
23. Locked Pair: 3,6 in r78c2 => r123c2,r789c3,r9c1<>6
24. Locked Pair: 2,4 in r78c3 => r19c3,r9c1<>2
25. Row 9 / Column 3 → 5 (Naked Single)
26. Row 9 / Column 1 → 5 (Naked Single)
27. Row 4 / Column 3 → 1 (Naked Single)
28. Row 4 / Column 1 → 6 (Naked Single)
29. Row 4 / Column 6 → 4 (Naked Single)
30. Row 5 / Column 1 → 9 (Naked Single)
31. Row 5 / Column 3 → 8 (Full House)
32. Row 6 / Column 3 → 8 (Full House)
33. Row 4 / Column 4 → 3 (Naked Single)
34. Row 4 / Column 7 → 5 (Full House)
35. Row 2 / Column 1 → 2 (Naked Single)
36. Row 5 / Column 5 → 6 (Naked Single)
37. Row 5 / Column 7 → 3 (Full House)
38. Row 5 / Column 9 → 3 (Full House)
39. Row 8 / Column 4 → 4 (Naked Single)
40. Row 6 / Column 4 → 9 (Naked Single)
41. Row 6 / Column 6 → 1 (Full House)
42. Row 2 / Column 4 → 6 (Full House)
43. Row 8 / Column 3 → 2 (Naked Single)
44. Row 2 / Column 6 → 5 (Naked Single)
45. Row 7 / Column 3 → 4 (Naked Single)
46. Row 8 / Column 5 → 3 (Naked Single)
47. Row 8 / Column 6 → 6 (Naked Single)
48. Row 3 / Column 6 → 2 (Full House)
49. Row 7 / Column 5 → 2 (Full House)
50. Row 8 / Column 2 → 6 (Naked Single)
51. Row 1 / Column 5 → 9 (Naked Single)
52. Row 3 / Column 5 → 4 (Full House)
53. Row 3 / Column 9 → 6 (Naked Single)
54. Row 7 / Column 8 → 6 (Naked Single)
55. Row 7 / Column 2 → 3 (Full House)
56. Row 1 / Column 2 → 1 (Naked Single)
57. Row 1 / Column 3 → 6 (Naked Single)
58. Row 1 / Column 7 → 2 (Full House)
59. Row 3 / Column 7 → 9 (Naked Single)
60. Row 3 / Column 8 → 3 (Naked Single)
61. Row 2 / Column 7 → 1 (Full House)
62. Row 2 / Column 2 → 9 (Full House)
63. Row 6 / Column 7 → 6 (Full House)
64. Row 3 / Column 2 → 5 (Full House)
65. Row 6 / Column 9 → 2 (Naked Single)
66. Row 9 / Column 9 → 2 (Naked Single)
67. Row 9 / Column 8 → 2 (Naked Single)