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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, undefined, Locked Candidates Type 2 (Claiming), Naked Pair, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 7 / Column 2 → 9 (Naked Single)
2. Row 7 / Column 3 → 3 (Naked Single)
3. Row 9 / Column 8 → 4 (Hidden Single)
4. Row 8 / Column 2 → 8 (Hidden Single)
5. Row 3 / Column 7 → 6 (Hidden Single)
6. Row 5 / Column 1 → 8 (Hidden Single)
7. Row 4 / Column 2 → 7 (Hidden Single)
8. Row 4 / Column 5 → 4 (Hidden Single)
9. Row 5 / Column 2 → 4 (Hidden Single)
10. Locked Candidates Type 1 (Pointing): 2 in b3 => r56c8<>2
11. Locked Candidates Type 1 (Pointing): 3 in b9 => r5c9<>3
12. Naked Triple: 2,5,6 in r6c389 => r6c456<>5, r6c456<>6, r6c56<>2
13. Locked Candidates Type 1 (Pointing): 6 in b5 => r5c89<>6
14. Hidden Pair: 7,8 in r16c4 => r1c4<>6, r16c4<>9
15. Row 9 / Column 4 → 9 (Hidden Single)
16. 2-String Kite: 1 in r5c9,r7c4 (connected by r7c8,r9c9) => r5c4<>1
17. 2-String Kite: 3 in r3c6,r4c7 (connected by r2c7,r3c8) => r4c6<>3
18. 2-String Kite: 5 in r3c6,r4c1 (connected by r2c1,r3c2) => r4c6<>5
19. 2-String Kite: 5 in r4c4,r8c3 (connected by r4c1,r6c3) => r8c4<>5
20. Locked Candidates Type 2 (Claiming): 5 in c4 => r5c56<>5
21. Naked Pair: 3,6 in r8c49 => r8c5<>3, r8c5<>6
22. Locked Candidates Type 1 (Pointing): 6 in b8 => r5c4<>6
23. W-Wing: 2/1 in r4c6,r5c9 connected by 1 in r9c69 => r5c56<>2
24. Row 5 / Column 9 → 2 (Hidden Single)
25. Row 6 / Column 9 → 6 (Naked Single)
26. Row 6 / Column 8 → 5 (Naked Single)
27. Row 8 / Column 9 → 3 (Naked Single)
28. Row 9 / Column 9 → 1 (Full House)
29. Row 7 / Column 8 → 6 (Full House)
30. Row 7 / Column 4 → 1 (Full House)
31. Row 6 / Column 3 → 2 (Naked Single)
32. Row 4 / Column 1 → 5 (Full House)
33. Row 8 / Column 3 → 5 (Full House)
34. Row 9 / Column 2 → 2 (Full House)
35. Row 3 / Column 2 → 5 (Full House)
36. Row 8 / Column 4 → 6 (Naked Single)
37. Row 8 / Column 5 → 2 (Full House)
38. Row 2 / Column 1 → 7 (Naked Single)
39. Row 1 / Column 1 → 2 (Full House)
40. Row 4 / Column 4 → 3 (Naked Single)
41. Row 3 / Column 6 → 3 (Naked Single)
42. Row 3 / Column 8 → 2 (Full House)
43. Row 1 / Column 8 → 9 (Naked Single)
44. Row 4 / Column 7 → 1 (Naked Single)
45. Row 2 / Column 7 → 3 (Full House)
46. Row 4 / Column 6 → 2 (Full House)
47. Row 5 / Column 8 → 3 (Full House)
48. Row 2 / Column 8 → 1 (Full House)
49. Row 5 / Column 4 → 5 (Naked Single)
50. Row 5 / Column 5 → 6 (Naked Single)
51. Row 5 / Column 6 → 1 (Full House)
52. Row 9 / Column 6 → 5 (Naked Single)
53. Row 9 / Column 5 → 3 (Full House)
54. Row 1 / Column 5 → 8 (Naked Single)
55. Row 2 / Column 6 → 9 (Naked Single)
56. Row 2 / Column 5 → 5 (Full House)
57. Row 6 / Column 5 → 9 (Full House)
58. Row 1 / Column 4 → 7 (Naked Single)
59. Row 1 / Column 6 → 6 (Full House)
60. Row 6 / Column 6 → 7 (Full House)
61. Row 6 / Column 4 → 8 (Full House)