| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| printable sudoku puzzles hard | 1.82 | 0.9 | 2241 | 87 | 29 |
| printable | 1.69 | 0.2 | 1847 | 77 | 9 |
| sudoku | 1.88 | 0.7 | 7041 | 28 | 6 |
| puzzles | 0.14 | 0.8 | 2215 | 84 | 7 |
| hard | 0.21 | 0.1 | 8789 | 20 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| printable sudoku puzzles hard | 1.79 | 1 | 7999 | 32 |
| free printable sudoku puzzles hard | 0.81 | 0.8 | 6379 | 15 |
| free printable hard sudoku puzzles pdf | 1.4 | 0.1 | 9774 | 37 |
| printable hard sudoku puzzles multiple | 1.4 | 0.2 | 9041 | 86 |
| free printable hard sudoku puzzles 4 per page | 1.7 | 0.3 | 1919 | 62 |
| hard sudoku puzzles printable 2 per page | 0.63 | 0.3 | 5415 | 94 |
| free printable sudoku puzzles 6 per page hard | 1.38 | 0.6 | 9963 | 97 |
| free printable hard samurai sudoku puzzles | 1.72 | 0.6 | 2293 | 79 |
