# Solution for Evil Sudoku #4196324781544

8
5
3
6
4
1
2
3
5
5
1
8
2
9
6
2
1
2
4
7
3
4
9
1
2
1
7
9
5
4

This Sudoku Puzzle has 56 steps and it is solved using Naked Single, Full House, Hidden Single, Naked Pair, undefined, Hidden Rectangle techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 1 → 3 (Naked Single)
2. Row 5 / Column 9 → 9 (Naked Single)
3. Row 5 / Column 5 → 5 (Full House)
4. Row 4 / Column 3 → 4 (Hidden Single)
5. Row 2 / Column 9 → 1 (Hidden Single)
6. Row 6 / Column 4 → 1 (Hidden Single)
7. Row 9 / Column 2 → 9 (Hidden Single)
8. Row 6 / Column 7 → 5 (Hidden Single)
9. Row 1 / Column 8 → 3 (Hidden Single)
10. Row 1 / Column 9 → 7 (Hidden Single)
11. Row 1 / Column 3 → 2 (Naked Single)
12. Row 2 / Column 8 → 4 (Hidden Single)
13. Row 3 / Column 7 → 2 (Hidden Single)
14. Row 8 / Column 1 → 2 (Hidden Single)
15. Row 7 / Column 9 → 2 (Hidden Single)
16. Naked Pair: 6,8 in r8c29 => r8c46<>8, r8c6<>6
17. X-Wing: 6 r48 c29 => r7c2<>6
18. X-Wing: 6 r17 c57 => r39c5,r9c7<>6
19. Hidden Rectangle: 1/7 in r3c13,r9c13 => r9c1<>7
20. XY-Chain: 6 6- r4c9 -8- r6c8 -6- r3c8 -8- r2c7 -9- r2c1 -7- r6c1 -6 => r4c2,r6c8<>6
21. Row 4 / Column 2 → 7 (Naked Single)
22. Row 6 / Column 1 → 6 (Full House)
23. Row 6 / Column 8 → 8 (Naked Single)
24. Row 3 / Column 8 → 6 (Full House)
25. Row 4 / Column 9 → 6 (Full House)
26. Row 8 / Column 9 → 8 (Full House)
27. Row 7 / Column 2 → 8 (Naked Single)
28. Row 8 / Column 2 → 6 (Full House)
29. Row 9 / Column 1 → 1 (Naked Single)
30. Row 1 / Column 7 → 9 (Naked Single)
31. Row 2 / Column 7 → 8 (Full House)
32. Row 9 / Column 7 → 3 (Naked Single)
33. Row 7 / Column 7 → 6 (Full House)
34. Row 1 / Column 4 → 4 (Naked Single)
35. Row 1 / Column 5 → 6 (Full House)
36. Row 9 / Column 3 → 7 (Naked Single)
37. Row 8 / Column 4 → 5 (Naked Single)
38. Row 3 / Column 3 → 1 (Naked Single)
39. Row 9 / Column 5 → 8 (Naked Single)
40. Row 9 / Column 6 → 6 (Full House)
41. Row 7 / Column 4 → 7 (Naked Single)
42. Row 8 / Column 3 → 3 (Naked Single)
43. Row 7 / Column 3 → 5 (Full House)
44. Row 7 / Column 5 → 3 (Full House)
45. Row 8 / Column 6 → 4 (Full House)
46. Row 2 / Column 4 → 9 (Naked Single)
47. Row 4 / Column 4 → 8 (Full House)
48. Row 4 / Column 5 → 9 (Naked Single)
49. Row 4 / Column 6 → 3 (Full House)
50. Row 6 / Column 6 → 7 (Naked Single)
51. Row 6 / Column 5 → 4 (Full House)
52. Row 3 / Column 5 → 7 (Full House)
53. Row 2 / Column 1 → 7 (Naked Single)
54. Row 2 / Column 6 → 5 (Full House)
55. Row 3 / Column 6 → 8 (Full House)
56. Row 3 / Column 1 → 9 (Full House)