# Solution for Evil Sudoku #1213713524895

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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 4 → 1 (Hidden Single)
2. Row 2 / Column 2 → 3 (Hidden Single)
3. Row 5 / Column 5 → 3 (Hidden Single)
4. Row 7 / Column 8 → 1 (Hidden Single)
5. Row 7 / Column 1 → 4 (Hidden Single)
6. Row 2 / Column 3 → 7 (Hidden Single)
7. Row 9 / Column 4 → 7 (Hidden Single)
8. Row 1 / Column 6 → 7 (Hidden Single)
9. Row 7 / Column 7 → 3 (Hidden Single)
10. Row 8 / Column 1 → 3 (Hidden Single)
11. Row 8 / Column 8 → 7 (Hidden Single)
12. Row 5 / Column 9 → 7 (Hidden Single)
13. Row 7 / Column 4 → 2 (Hidden Single)
14. Row 3 / Column 4 → 8 (Hidden Single)
15. Row 9 / Column 5 → 8 (Hidden Single)
16. Row 8 / Column 7 → 8 (Hidden Single)
17. Row 1 / Column 9 → 8 (Hidden Single)
18. Row 1 / Column 3 → 4 (Hidden Single)
19. Row 3 / Column 9 → 4 (Hidden Single)
20. Row 9 / Column 9 → 2 (Hidden Single)
21. Row 1 / Column 8 → 2 (Hidden Single)
22. Locked Candidates Type 2 (Claiming): 6 in c4 => r46c6<>6
23. Locked Pair: 4,9 in r46c6 => r378c6,r46c4<>9
24. Row 4 / Column 4 → 6 (Full House)
25. Row 6 / Column 4 → 6 (Full House)
26. Row 8 / Column 6 → 6 (Naked Single)
27. Row 3 / Column 6 → 5 (Naked Single)
28. Row 7 / Column 6 → 5 (Naked Single)
29. Row 7 / Column 5 → 9 (Naked Single)
30. Row 1 / Column 5 → 6 (Full House)
31. Row 3 / Column 5 → 6 (Full House)
32. Row 7 / Column 9 → 6 (Naked Single)
33. Row 2 / Column 9 → 9 (Full House)
34. Row 9 / Column 7 → 9 (Full House)
35. Row 1 / Column 1 → 5 (Hidden Single)
36. Row 9 / Column 1 → 6 (Naked Single)
37. Row 9 / Column 2 → 5 (Full House)
38. Row 4 / Column 3 → 5 (Hidden Single)
39. Row 5 / Column 3 → 6 (Hidden Single)
40. Row 5 / Column 8 → 9 (Naked Single)
41. Row 4 / Column 8 → 8 (Naked Single)
42. Row 5 / Column 1 → 2 (Naked Single)
43. Row 3 / Column 1 → 9 (Full House)
44. Row 5 / Column 2 → 4 (Full House)
45. Row 5 / Column 7 → 4 (Full House)
46. Row 3 / Column 2 → 2 (Full House)
47. Row 3 / Column 3 → 2 (Full House)
48. Row 8 / Column 2 → 9 (Full House)
49. Row 8 / Column 3 → 9 (Full House)
50. Row 6 / Column 8 → 5 (Naked Single)
51. Row 2 / Column 8 → 6 (Full House)
52. Row 2 / Column 7 → 5 (Full House)
53. Row 4 / Column 2 → 9 (Naked Single)
54. Row 6 / Column 2 → 8 (Naked Single)
55. Row 6 / Column 7 → 2 (Naked Single)
56. Row 4 / Column 6 → 4 (Naked Single)
57. Row 6 / Column 6 → 9 (Naked Single)