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

This Sudoku Puzzle has 36 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Uniqueness Test 1, Give Up techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 8 → 8 (Hidden Single)
2. Row 1 / Column 3 → 2 (Hidden Single)
3. Row 2 / Column 9 → 6 (Hidden Single)
4. Row 3 / Column 6 → 6 (Hidden Single)
5. Row 5 / Column 3 → 6 (Hidden Single)
6. Row 7 / Column 7 → 9 (Hidden Single)
7. Row 9 / Column 1 → 9 (Hidden Single)
8. Row 9 / Column 6 → 2 (Hidden Single)
9. Row 8 / Column 5 → 7 (Hidden Single)
10. Row 7 / Column 3 → 1 (Hidden Single)
11. Row 9 / Column 8 → 6 (Hidden Single)
12. Row 8 / Column 1 → 2 (Hidden Single)
13. Row 7 / Column 8 → 7 (Hidden Single)
14. Row 4 / Column 9 → 7 (Hidden Single)
15. Row 9 / Column 5 → 3 (Hidden Single)
16. Row 7 / Column 2 → 3 (Hidden Single)
17. Row 5 / Column 2 → 5 (Naked Single)
18. Row 2 / Column 2 → 4 (Full House)
19. Row 9 / Column 4 → 5 (Hidden Single)
20. Row 2 / Column 3 → 5 (Hidden Single)
21. Row 6 / Column 8 → 5 (Hidden Single)
22. Row 6 / Column 5 → 1 (Naked Single)
23. Row 4 / Column 3 → 3 (Hidden Single)
24. Row 6 / Column 3 → 7 (Hidden Single)
25. Row 6 / Column 1 → 8 (Full House)
26. Row 4 / Column 1 → 1 (Full House)
27. Locked Candidates Type 1 (Pointing): 4 in b3 => r3c4<>4
28. Uniqueness Test 1: 4/5 in r1c56,r4c56 => r4c6<>4, r4c6<>5
29. Row 4 / Column 6 → 8 (Naked Single)
30. Row 4 / Column 4 → 4 (Naked Single)
31. Row 4 / Column 5 → 5 (Full House)
32. Row 1 / Column 5 → 4 (Full House)
33. Row 1 / Column 6 → 5 (Full House)
34. Row 7 / Column 6 → 4 (Full House)
35. Row 7 / Column 4 → 8 (Full House)
36. Give Up: Don't know how to proceed!