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

This Sudoku Puzzle has 51 steps and it is solved using Naked Pair, undefined, Hidden Triple, Locked Candidates Type 2 (Claiming), Naked Single, Naked Triple, Naked Quadruple, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

1. Naked Pair: 2,6 in r3c36 => r3c89<>6
2. 2-String Kite: 9 in r4c2,r7c6 (connected by r4c4,r5c6) => r7c2<>9
3. Hidden Triple: 2,4,9 in r78c1,r8c2 => r7c1<>6
4. Locked Candidates Type 2 (Claiming): 6 in c1 => r4c23,r5c23,r6c2<>6
5. Row 4 / Column 3 → 5 (Naked Single)
6. Naked Triple: 1,6,7 in r4c89,r6c8 => r5c89<>6, r5c8<>7
7. Naked Quadruple: 2,3,5,8 in r5c3789 => r5c12<>2, r5c2<>8
8. 2-String Kite: 6 in r1c4,r4c9 (connected by r1c8,r2c9) => r4c4<>6
9. Locked Candidates Type 2 (Claiming): 6 in r4 => r6c8<>6
10. W-Wing: 6/2 in r3c6,r6c1 connected by 2 in r35c3 => r6c6<>6
11. Row 6 / Column 6 → 7 (Naked Single)
12. Row 4 / Column 4 → 9 (Naked Single)
13. Row 6 / Column 8 → 1 (Naked Single)
14. Row 9 / Column 6 → 3 (Naked Single)
15. Row 8 / Column 4 → 4 (Naked Single)
16. Row 3 / Column 8 → 5 (Naked Single)
17. Row 4 / Column 9 → 6 (Naked Single)
18. Row 9 / Column 3 → 8 (Naked Single)
19. Row 5 / Column 4 → 6 (Naked Single)
20. Row 1 / Column 4 → 7 (Full House)
21. Row 5 / Column 6 → 4 (Full House)
22. Row 7 / Column 5 → 5 (Naked Single)
23. Row 7 / Column 6 → 9 (Naked Single)
24. Row 9 / Column 5 → 7 (Full House)
25. Row 9 / Column 2 → 5 (Full House)
26. Row 1 / Column 5 → 4 (Full House)
27. Row 1 / Column 8 → 6 (Full House)
28. Row 3 / Column 7 → 8 (Naked Single)
29. Row 5 / Column 8 → 3 (Naked Single)
30. Row 2 / Column 9 → 3 (Naked Single)
31. Row 4 / Column 8 → 7 (Naked Single)
32. Row 2 / Column 8 → 4 (Full House)
33. Row 3 / Column 9 → 1 (Full House)
34. Row 5 / Column 9 → 8 (Full House)
35. Row 4 / Column 2 → 1 (Full House)
36. Row 5 / Column 3 → 2 (Naked Single)
37. Row 5 / Column 1 → 9 (Naked Single)
38. Row 7 / Column 2 → 6 (Naked Single)
39. Row 7 / Column 1 → 4 (Naked Single)
40. Row 7 / Column 3 → 3 (Full House)
41. Row 3 / Column 3 → 6 (Full House)
42. Row 2 / Column 2 → 2 (Full House)
43. Row 3 / Column 6 → 2 (Full House)
44. Row 2 / Column 6 → 6 (Full House)
45. Row 6 / Column 7 → 2 (Naked Single)
46. Row 5 / Column 7 → 5 (Full House)
47. Row 5 / Column 2 → 7 (Full House)
48. Row 6 / Column 1 → 6 (Naked Single)
49. Row 6 / Column 2 → 8 (Full House)
50. Row 8 / Column 1 → 2 (Full House)
51. Row 8 / Column 2 → 9 (Full House)