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

This Sudoku Puzzle has 40 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 2 (Claiming), Hidden Pair, Naked Pair techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 6 → 9 (Naked Single)
2. Row 5 / Column 6 → 2 (Naked Single)
3. Row 1 / Column 6 → 4 (Full House)
4. Row 3 / Column 6 → 4 (Full House)
5. Row 9 / Column 9 → 4 (Hidden Single)
6. Row 5 / Column 7 → 4 (Hidden Single)
7. Row 5 / Column 8 → 7 (Full House)
8. Locked Candidates Type 2 (Claiming): 2 in r1 => r3c789<>2
9. Row 3 / Column 9 → 1 (Naked Single)
10. Row 3 / Column 7 → 9 (Naked Single)
11. Row 3 / Column 8 → 9 (Naked Single)
12. Hidden Pair: 7,9 in r1c79 => r1c79<>2, r1c79<>6
13. Row 1 / Column 7 → 7 (Naked Single)
14. Row 1 / Column 9 → 7 (Naked Single)
15. Row 1 / Column 8 → 2 (Hidden Single)
16. Row 7 / Column 6 → 7 (Hidden Single)
17. Row 8 / Column 6 → 5 (Hidden Single)
18. Row 9 / Column 6 → 6 (Hidden Single)
19. Locked Candidates Type 2 (Claiming): 3 in r8 => r9c78<>3
20. Row 9 / Column 7 → 1 (Naked Single)
21. Row 9 / Column 8 → 1 (Naked Single)
22. Row 4 / Column 6 → 1 (Hidden Single)
23. Row 6 / Column 6 → 8 (Full House)
24. Naked Pair: 5,6 in r6c78 => r6c9<>5, r6c9<>6
25. Row 6 / Column 9 → 6 (Naked Single)
26. Row 6 / Column 7 → 5 (Naked Single)
27. Row 6 / Column 8 → 5 (Naked Single)
28. Row 7 / Column 8 → 6 (Naked Single)
29. Row 7 / Column 7 → 2 (Naked Single)
30. Row 7 / Column 9 → 5 (Full House)
31. Row 4 / Column 9 → 2 (Hidden Single)
32. Naked Pair: 3,8 in r2c78 => r2c9<>3, r2c9<>8
33. Row 2 / Column 9 → 8 (Naked Single)
34. Row 2 / Column 7 → 3 (Naked Single)
35. Row 4 / Column 7 → 8 (Full House)
36. Row 8 / Column 7 → 8 (Full House)
37. Row 4 / Column 8 → 3 (Full House)
38. Row 2 / Column 8 → 3 (Naked Single)
39. Row 8 / Column 9 → 3 (Naked Single)
40. Row 8 / Column 8 → 3 (Naked Single)