# Solution for Evil Sudoku #1263498251739

7
1
9
8
4
7
5
8
6
8
6
7
1
2
6
8
2
6
1
5
4
9
4
9
2
5
6
4

This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Full House, Naked Single, Locked Candidates Type 1 (Pointing), Naked Triple, undefined techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 3 / Column 7 → 7 (Hidden Single)
2. Row 2 / Column 2 → 6 (Hidden Single)
3. Row 1 / Column 4 → 6 (Hidden Single)
4. Row 6 / Column 6 → 4 (Hidden Single)
5. Row 7 / Column 5 → 6 (Hidden Single)
6. Row 8 / Column 1 → 6 (Hidden Single)
7. Row 4 / Column 7 → 4 (Hidden Single)
8. Row 9 / Column 4 → 7 (Hidden Single)
9. Row 1 / Column 8 → 4 (Hidden Single)
10. Row 2 / Column 3 → 8 (Hidden Single)
11. Row 6 / Column 8 → 9 (Hidden Single)
12. Row 4 / Column 4 → 9 (Hidden Single)
13. Row 3 / Column 5 → 1 (Hidden Single)
14. Row 7 / Column 4 → 1 (Hidden Single)
15. Row 9 / Column 6 → 5 (Hidden Single)
16. Row 1 / Column 9 → 9 (Hidden Single)
17. Row 2 / Column 4 → 5 (Hidden Single)
18. Row 3 / Column 4 → 3 (Full House)
19. Row 1 / Column 6 → 2 (Naked Single)
20. Row 1 / Column 3 → 3 (Full House)
21. Row 3 / Column 6 → 9 (Full House)
22. Row 7 / Column 7 → 9 (Hidden Single)
23. Row 5 / Column 2 → 9 (Hidden Single)
24. Row 5 / Column 8 → 5 (Hidden Single)
25. Locked Candidates Type 1 (Pointing): 7 in b6 => r7c9<>7
26. Naked Triple: 2,3,5 in r4c2,r6c13 => r5c1<>3
27. W-Wing: 5/2 in r3c2,r6c3 connected by 2 in r36c1 => r3c3,r4c2<>5
28. Row 4 / Column 2 → 3 (Naked Single)
29. Row 4 / Column 9 → 7 (Naked Single)
30. Row 4 / Column 5 → 5 (Full House)
31. Row 6 / Column 1 → 2 (Naked Single)
32. Row 9 / Column 2 → 8 (Naked Single)
33. Row 6 / Column 5 → 3 (Naked Single)
34. Row 6 / Column 3 → 5 (Full House)
35. Row 5 / Column 5 → 7 (Full House)
36. Row 3 / Column 1 → 4 (Naked Single)
37. Row 8 / Column 2 → 2 (Naked Single)
38. Row 3 / Column 2 → 5 (Full House)
39. Row 3 / Column 3 → 2 (Full House)
40. Row 5 / Column 1 → 1 (Naked Single)
41. Row 5 / Column 3 → 4 (Full House)
42. Row 9 / Column 1 → 3 (Full House)
43. Row 9 / Column 7 → 1 (Full House)
44. Row 7 / Column 3 → 7 (Naked Single)
45. Row 8 / Column 3 → 1 (Full House)
46. Row 7 / Column 8 → 3 (Naked Single)
47. Row 2 / Column 8 → 1 (Naked Single)
48. Row 8 / Column 8 → 7 (Full House)
49. Row 7 / Column 6 → 8 (Naked Single)
50. Row 7 / Column 9 → 2 (Full House)
51. Row 8 / Column 7 → 8 (Full House)
52. Row 8 / Column 6 → 3 (Full House)
53. Row 2 / Column 9 → 3 (Naked Single)
54. Row 2 / Column 7 → 2 (Full House)
55. Row 5 / Column 7 → 3 (Full House)
56. Row 5 / Column 9 → 8 (Full House)