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

This Sudoku Puzzle has 32 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Remote Pair, undefined, Give Up techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 7 → 8 (Naked Single)
2. Row 3 / Column 7 → 2 (Full House)
3. Row 8 / Column 8 → 5 (Naked Single)
4. Row 2 / Column 5 → 3 (Hidden Single)
5. Row 5 / Column 5 → 5 (Hidden Single)
6. Row 7 / Column 7 → 6 (Hidden Single)
7. Row 8 / Column 5 → 1 (Hidden Single)
8. Row 3 / Column 5 → 6 (Hidden Single)
9. Row 5 / Column 9 → 1 (Hidden Single)
10. Row 2 / Column 3 → 6 (Hidden Single)
11. Row 2 / Column 2 → 7 (Full House)
12. Row 5 / Column 2 → 2 (Naked Single)
13. Row 5 / Column 8 → 8 (Naked Single)
14. Row 4 / Column 1 → 8 (Hidden Single)
15. Row 1 / Column 1 → 4 (Naked Single)
16. Row 1 / Column 5 → 8 (Full House)
17. Row 3 / Column 3 → 8 (Full House)
18. Row 5 / Column 3 → 4 (Hidden Single)
19. Row 7 / Column 6 → 8 (Hidden Single)
20. Locked Candidates Type 1 (Pointing): 9 in b8 => r46c5<>9
21. Remote Pair: 7/9 r6c1 -9- r5c1 -7- r5c7 -9- r8c7 -7- r9c9 -9- r9c5 => r6c5<>7
22. Locked Candidates Type 1 (Pointing): 7 in b5 => r4c9<>7
23. XY-Chain: 7 7- r5c7 -9- r8c7 -7- r9c9 -9- r9c5 -7- r4c5 -2- r6c5 -4- r6c6 -9- r6c1 -7 => r5c1,r6c9<>7
24. Row 5 / Column 1 → 9 (Naked Single)
25. Row 5 / Column 7 → 7 (Full House)
26. Row 6 / Column 1 → 7 (Full House)
27. Row 8 / Column 7 → 9 (Full House)
28. Row 8 / Column 3 → 7 (Full House)
29. Row 9 / Column 9 → 7 (Full House)
30. Row 7 / Column 3 → 9 (Full House)
31. Row 9 / Column 5 → 9 (Full House)
32. Give Up: Don't know how to proceed!