# Solution for Evil Sudoku #1323713524895

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

This Sudoku Puzzle has 52 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Locked Pair, Full House, Give Up techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 5 → 1 (Hidden Single)
2. Row 5 / Column 5 → 3 (Hidden Single)
3. Row 1 / Column 3 → 4 (Hidden Single)
4. Row 2 / Column 8 → 3 (Hidden Single)
5. Row 1 / Column 2 → 3 (Hidden Single)
6. Row 7 / Column 3 → 3 (Hidden Single)
7. Locked Candidates Type 1 (Pointing): 5 in b1 => r5c1<>5
8. Locked Candidates Type 1 (Pointing): 8 in b4 => r79c1<>8
9. Locked Candidates Type 1 (Pointing): 4 in b9 => r9c5<>4
10. Locked Candidates Type 2 (Claiming): 8 in r9 => r8c9<>8
11. Naked Triple: 4,6,9 in r237c5 => r89c5<>6, r89c5<>9
12. Row 8 / Column 5 → 7 (Naked Single)
13. Row 9 / Column 5 → 7 (Naked Single)
14. Row 6 / Column 2 → 7 (Hidden Single)
15. Row 4 / Column 8 → 7 (Hidden Single)
16. Row 3 / Column 9 → 7 (Hidden Single)
17. Row 9 / Column 9 → 4 (Hidden Single)
18. Row 9 / Column 7 → 8 (Hidden Single)
19. Row 5 / Column 9 → 8 (Hidden Single)
20. Row 4 / Column 1 → 8 (Hidden Single)
21. Row 4 / Column 3 → 2 (Hidden Single)
22. Row 2 / Column 1 → 2 (Hidden Single)
23. Row 8 / Column 2 → 2 (Hidden Single)
24. Row 3 / Column 7 → 2 (Hidden Single)
25. Row 1 / Column 1 → 5 (Hidden Single)
26. Row 7 / Column 2 → 8 (Hidden Single)
27. Row 2 / Column 7 → 4 (Hidden Single)
28. Row 3 / Column 8 → 5 (Hidden Single)
29. Row 7 / Column 4 → 5 (Hidden Single)
30. Row 8 / Column 9 → 5 (Hidden Single)
31. Row 2 / Column 6 → 5 (Hidden Single)
32. Row 7 / Column 5 → 4 (Hidden Single)
33. Row 6 / Column 4 → 4 (Hidden Single)
34. Row 2 / Column 4 → 8 (Hidden Single)
35. Row 8 / Column 6 → 8 (Hidden Single)
36. Row 3 / Column 6 → 4 (Hidden Single)
37. Row 6 / Column 7 → 1 (Hidden Single)
38. Row 4 / Column 4 → 1 (Hidden Single)
39. Row 8 / Column 4 → 6 (Hidden Single)
40. Row 6 / Column 3 → 5 (Hidden Single)
41. Row 5 / Column 7 → 5 (Hidden Single)
42. Locked Pair: 6,9 in r79c1 => r5c1,r9c3<>6, r5c1,r89c3<>9
43. Row 5 / Column 1 → 9 (Naked Single)
44. Row 8 / Column 3 → 1 (Naked Single)
45. Row 8 / Column 8 → 9 (Full House)
46. Row 7 / Column 1 → 6 (Full House)
47. Row 7 / Column 8 → 6 (Full House)
48. Row 9 / Column 3 → 1 (Naked Single)
49. Row 5 / Column 3 → 6 (Naked Single)
50. Row 9 / Column 1 → 6 (Naked Single)
51. Row 9 / Column 8 → 1 (Naked Single)
52. Give Up: Don't know how to proceed!