# Solution for Evil Sudoku #1227713524895

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

This Sudoku Puzzle has 57 steps and it is solved using Hidden Single, Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 4 → 7 (Hidden Single)
2. Row 5 / Column 1 → 1 (Hidden Single)
3. Row 8 / Column 8 → 7 (Hidden Single)
4. Row 5 / Column 9 → 7 (Hidden Single)
5. Row 7 / Column 1 → 4 (Hidden Single)
6. Row 7 / Column 8 → 2 (Hidden Single)
7. Row 8 / Column 7 → 8 (Hidden Single)
8. Row 9 / Column 4 → 2 (Hidden Single)
9. Row 7 / Column 9 → 1 (Hidden Single)
10. Row 2 / Column 8 → 1 (Hidden Single)
11. Row 9 / Column 5 → 8 (Hidden Single)
12. Row 3 / Column 4 → 8 (Hidden Single)
13. Row 1 / Column 9 → 8 (Hidden Single)
14. Row 3 / Column 6 → 1 (Hidden Single)
15. Row 6 / Column 4 → 1 (Hidden Single)
16. Row 1 / Column 3 → 4 (Hidden Single)
17. Row 3 / Column 9 → 4 (Hidden Single)
18. Locked Candidates Type 2 (Claiming): 3 in c1 => r8c23,r9c2<>3
19. Naked Triple: 5,6,9 in r1c156 => r1c8<>5, r1c8<>6, r1c8<>9
20. Row 1 / Column 8 → 9 (Naked Single)
21. Row 2 / Column 9 → 6 (Naked Single)
22. Row 9 / Column 9 → 9 (Full House)
23. Row 5 / Column 8 → 6 (Naked Single)
24. Row 2 / Column 7 → 5 (Naked Single)
25. Row 3 / Column 5 → 9 (Hidden Single)
26. Row 5 / Column 5 → 3 (Naked Single)
27. Row 5 / Column 3 → 9 (Naked Single)
28. Row 5 / Column 2 → 4 (Full House)
29. Row 5 / Column 7 → 4 (Full House)
30. Row 2 / Column 3 → 3 (Naked Single)
31. Row 2 / Column 2 → 9 (Full House)
32. Row 6 / Column 7 → 9 (Naked Single)
33. Row 8 / Column 1 → 9 (Hidden Single)
34. Row 4 / Column 6 → 4 (Hidden Single)
35. Row 6 / Column 6 → 6 (Naked Single)
36. Row 4 / Column 4 → 9 (Full House)
37. Row 7 / Column 4 → 6 (Full House)
38. Row 1 / Column 6 → 5 (Naked Single)
39. Row 1 / Column 5 → 6 (Full House)
40. Row 7 / Column 5 → 5 (Full House)
41. Row 8 / Column 6 → 3 (Naked Single)
42. Row 7 / Column 6 → 9 (Full House)
43. Row 7 / Column 7 → 3 (Full House)
44. Row 9 / Column 7 → 6 (Full House)
45. Row 1 / Column 1 → 6 (Naked Single)
46. Row 9 / Column 2 → 5 (Naked Single)
47. Row 9 / Column 1 → 3 (Full House)
48. Row 3 / Column 1 → 5 (Naked Single)
49. Row 3 / Column 2 → 2 (Full House)
50. Row 3 / Column 3 → 2 (Full House)
51. Row 8 / Column 2 → 6 (Full House)
52. Row 8 / Column 3 → 6 (Full House)
53. Row 6 / Column 2 → 8 (Naked Single)
54. Row 4 / Column 2 → 3 (Full House)
55. Row 4 / Column 3 → 5 (Full House)
56. Row 6 / Column 8 → 5 (Full House)
57. Row 4 / Column 8 → 8 (Full House)