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

This Sudoku Puzzle has 39 steps and it is solved using Naked Single, Locked Pair, Hidden Single, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

1. Row 3 / Column 7 → 2 (Naked Single)
2. Locked Pair: 2,8 in r8c45 => r7c46,r8c79<>8, r7c46,r8c9<>2
3. Row 4 / Column 7 → 8 (Hidden Single)
4. Row 7 / Column 9 → 8 (Hidden Single)
5. Row 9 / Column 1 → 8 (Hidden Single)
6. Row 9 / Column 2 → 1 (Naked Single)
7. Row 4 / Column 2 → 4 (Naked Single)
8. Row 5 / Column 2 → 8 (Full House)
9. Row 4 / Column 1 → 1 (Full House)
10. Row 5 / Column 6 → 2 (Naked Single)
11. Row 4 / Column 6 → 9 (Naked Single)
12. Row 4 / Column 9 → 2 (Full House)
13. Row 5 / Column 4 → 1 (Naked Single)
14. Row 5 / Column 8 → 4 (Full House)
15. Row 6 / Column 4 → 8 (Full House)
16. Row 7 / Column 6 → 3 (Naked Single)
17. Row 2 / Column 6 → 8 (Full House)
18. Row 9 / Column 9 → 6 (Naked Single)
19. Row 9 / Column 3 → 2 (Full House)
20. Row 7 / Column 3 → 6 (Full House)
21. Row 1 / Column 8 → 6 (Naked Single)
22. Row 8 / Column 4 → 2 (Naked Single)
23. Row 7 / Column 4 → 9 (Naked Single)
24. Row 7 / Column 8 → 2 (Full House)
25. Row 1 / Column 4 → 3 (Full House)
26. Row 2 / Column 5 → 2 (Full House)
27. Row 8 / Column 5 → 8 (Full House)
28. Row 1 / Column 7 → 5 (Naked Single)
29. Row 2 / Column 1 → 9 (Naked Single)
30. Row 1 / Column 9 → 4 (Naked Single)
31. Row 1 / Column 1 → 2 (Full House)
32. Row 3 / Column 1 → 4 (Full House)
33. Row 3 / Column 9 → 9 (Full House)
34. Row 8 / Column 7 → 1 (Naked Single)
35. Row 2 / Column 7 → 3 (Full House)
36. Row 2 / Column 8 → 1 (Full House)
37. Row 8 / Column 9 → 5 (Full House)
38. Row 6 / Column 9 → 1 (Full House)
39. Row 6 / Column 8 → 9 (Full House)