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

This Sudoku Puzzle has 28 steps and it is solved using Locked Candidates Type 1 (Pointing), Remote Pair, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Locked Candidates Type 1 (Pointing): 3 in b6 => r3c9<>3
2. Remote Pair: 6/7 r5c8 -7- r7c8 -6- r8c7 -7- r8c5 => r5c5<>6, r5c5<>7
3. Row 5 / Column 5 → 8 (Naked Single)
4. Row 2 / Column 5 → 9 (Naked Single)
5. Row 2 / Column 6 → 8 (Full House)
6. Row 4 / Column 4 → 7 (Naked Single)
7. Row 6 / Column 6 → 6 (Full House)
8. Row 4 / Column 9 → 8 (Full House)
9. Row 5 / Column 2 → 3 (Naked Single)
10. Row 6 / Column 2 → 8 (Full House)
11. Row 6 / Column 9 → 3 (Full House)
12. Row 9 / Column 5 → 7 (Naked Single)
13. Row 8 / Column 5 → 6 (Full House)
14. Row 8 / Column 7 → 7 (Full House)
15. Row 7 / Column 8 → 6 (Full House)
16. Row 5 / Column 8 → 7 (Full House)
17. Row 5 / Column 9 → 6 (Full House)
18. Row 3 / Column 9 → 7 (Full House)
19. Row 9 / Column 1 → 3 (Naked Single)
20. Row 7 / Column 1 → 7 (Full House)
21. Row 7 / Column 4 → 3 (Full House)
22. Row 3 / Column 6 → 3 (Naked Single)
23. Row 3 / Column 7 → 6 (Full House)
24. Row 1 / Column 7 → 3 (Full House)
25. Row 9 / Column 4 → 8 (Naked Single)
26. Row 9 / Column 6 → 9 (Full House)
27. Row 1 / Column 4 → 6 (Full House)
28. Row 1 / Column 6 → 7 (Full House)