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

This Sudoku Puzzle has 30 steps and it is solved using Locked Candidates Type 2 (Claiming), Naked Pair, undefined, Naked Single, Hidden Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Locked Candidates Type 2 (Claiming): 5 in r5 => r4c89,r6c8<>5
2. Naked Pair: 5,9 in r59c8 => r4c8<>9
3. 2-String Kite: 9 in r4c4,r9c8 (connected by r4c9,r5c8) => r9c4<>9
4. 2-String Kite: 9 in r5c8,r8c5 (connected by r8c7,r9c8) => r5c5<>9
5. Row 5 / Column 5 → 7 (Naked Single)
6. Row 4 / Column 4 → 9 (Hidden Single)
7. Row 4 / Column 9 → 7 (Naked Single)
8. Row 4 / Column 2 → 3 (Naked Single)
9. Row 4 / Column 1 → 5 (Naked Single)
10. Row 4 / Column 8 → 6 (Full House)
11. Row 9 / Column 2 → 9 (Naked Single)
12. Row 6 / Column 1 → 4 (Naked Single)
13. Row 6 / Column 2 → 7 (Full House)
14. Row 7 / Column 2 → 4 (Full House)
15. Row 7 / Column 1 → 3 (Full House)
16. Row 6 / Column 8 → 3 (Naked Single)
17. Row 9 / Column 8 → 5 (Naked Single)
18. Row 5 / Column 8 → 9 (Full House)
19. Row 8 / Column 7 → 9 (Full House)
20. Row 9 / Column 4 → 3 (Full House)
21. Row 5 / Column 9 → 5 (Full House)
22. Row 2 / Column 7 → 5 (Full House)
23. Row 2 / Column 9 → 9 (Full House)
24. Row 7 / Column 4 → 6 (Naked Single)
25. Row 6 / Column 4 → 5 (Full House)
26. Row 7 / Column 5 → 9 (Full House)
27. Row 8 / Column 5 → 8 (Naked Single)
28. Row 6 / Column 5 → 6 (Full House)
29. Row 6 / Column 6 → 8 (Full House)
30. Row 8 / Column 6 → 5 (Full House)