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Keyword	CPC	PCC	Volume	Length string	Score
sudoku game rules	1.97	0.8	5057	17	89
what are the rules of sudoku game	0.15	0.2	6048	33	83
sudoku board game rules	0.26	0.6	5390	23	99
sudoku 247 games rules	1.23	0.8	7887	22	79
msn games sudoku rules	1.74	0.7	3029	22	29
rules for sudoku games	0.4	0.3	3267	22	79
rules of sudoku basic	0.84	0.3	8679	21	1

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