# Solution for Evil Sudoku #1346713524895

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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Full House, Locked Candidates Type 2 (Claiming) techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 5 → 1 (Hidden Single)
2. Row 3 / Column 7 → 4 (Hidden Single)
3. Locked Pair: 1,9 in r46c4 => r278c4,r46c6,r5c5<>9
4. Row 4 / Column 6 → 6 (Naked Single)
5. Row 6 / Column 6 → 3 (Naked Single)
6. Row 5 / Column 5 → 3 (Naked Single)
7. Locked Pair: 2,9 in r23c5 => r2c4,r789c5<>2, r23c6,r789c5<>9
8. Row 7 / Column 5 → 6 (Naked Single)
9. Row 3 / Column 6 → 5 (Naked Single)
10. Row 8 / Column 5 → 7 (Naked Single)
11. Row 9 / Column 5 → 7 (Naked Single)
12. Row 2 / Column 4 → 8 (Naked Single)
13. Row 2 / Column 6 → 8 (Naked Single)
14. Row 8 / Column 6 → 9 (Naked Single)
15. Row 6 / Column 2 → 7 (Hidden Single)
16. Row 4 / Column 8 → 7 (Hidden Single)
17. Row 3 / Column 9 → 7 (Hidden Single)
18. Locked Pair: 5,9 in r56c3 => r1c3,r5c1<>5, r1479c3,r45c1<>9
19. Row 4 / Column 3 → 2 (Naked Single)
20. Row 5 / Column 1 → 8 (Naked Single)
21. Row 4 / Column 1 → 8 (Naked Single)
22. Row 7 / Column 3 → 3 (Naked Single)
23. Row 1 / Column 3 → 6 (Naked Single)
24. Row 8 / Column 3 → 1 (Naked Single)
25. Row 9 / Column 3 → 1 (Naked Single)
26. Row 7 / Column 2 → 8 (Hidden Single)
27. Row 9 / Column 7 → 8 (Hidden Single)
28. Row 8 / Column 2 → 6 (Hidden Single)
29. Row 8 / Column 8 → 5 (Naked Single)
30. Row 8 / Column 4 → 2 (Full House)
31. Row 8 / Column 9 → 2 (Full House)
32. Row 7 / Column 8 → 9 (Naked Single)
33. Row 7 / Column 4 → 5 (Naked Single)
34. Row 7 / Column 1 → 2 (Full House)
35. Row 3 / Column 8 → 3 (Naked Single)
36. Row 9 / Column 8 → 6 (Full House)
37. Row 2 / Column 8 → 6 (Full House)
38. Row 9 / Column 9 → 6 (Naked Single)
39. Row 9 / Column 1 → 9 (Naked Single)
40. Row 5 / Column 7 → 6 (Hidden Single)
41. Locked Pair: 5,9 in r56c9 => r1c9,r6c7<>5, r1c9,r46c7<>9
42. Row 1 / Column 9 → 9 (Naked Single)
43. Row 4 / Column 7 → 1 (Naked Single)
44. Row 6 / Column 7 → 1 (Naked Single)
45. Row 4 / Column 4 → 9 (Full House)
46. Row 6 / Column 4 → 9 (Full House)
47. Row 5 / Column 9 → 5 (Naked Single)
48. Row 6 / Column 9 → 5 (Naked Single)
49. Row 6 / Column 3 → 5 (Naked Single)
50. Row 5 / Column 3 → 9 (Naked Single)
51. Locked Candidates Type 2 (Claiming): 3 in r1 => r2c12<>3
52. Row 2 / Column 1 → 5 (Naked Single)
53. Row 1 / Column 1 → 3 (Naked Single)
54. Row 2 / Column 7 → 2 (Naked Single)
55. Row 1 / Column 2 → 2 (Naked Single)
56. Row 2 / Column 2 → 9 (Full House)
57. Row 3 / Column 2 → 9 (Full House)
58. Row 1 / Column 7 → 5 (Naked Single)
59. Row 2 / Column 5 → 9 (Naked Single)
60. Row 3 / Column 5 → 2 (Naked Single)