Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
printable hard sudoku puzzles multiple | 0.74 | 0.2 | 8526 | 35 |
free printable hard sudoku puzzles pdf | 0.67 | 0.4 | 639 | 13 |
hard sudoku puzzles printable pdf | 1.61 | 0.9 | 7080 | 79 |
free printable hard sudoku puzzles for adults | 1.24 | 0.4 | 1561 | 3 |
free printable hard sudoku puzzles | 0.76 | 1 | 8115 | 43 |
free printable hard sudoku puzzles 4 per page | 1.52 | 0.9 | 870 | 30 |