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

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