sudoku 9x9 extremely difficult expert

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
sudoku 9x9 extremely difficult expert	0.67	0.1	3690	39	37
sudoku	0.89	0.7	3180	25	6
9x9	1.21	0.5	592	83	3
extremely	1.66	0.5	9578	9	9
difficult	0.5	0.5	3140	4	9
expert	0.35	1	5527	51	6

Keyword	CPC	PCC	Volume	Score
sudoku 9x9 extremely difficult expert	1.84	0.3	5323	21
sudoku 9x9 free extremely hard	0.3	0.8	7475	32
extremely hard sudoku 9x9	1.48	0.5	6159	61
daily extremely hard sudoku 9x9	1.46	0.1	8645	34
daily hard sudoku 9x9	1.01	0.8	9768	88
free very hard sudoku 9x9	0.67	0.1	3014	22
very hard sudoku puzzles 9x9 with answers	0.59	0.5	775	34
sudoku 9x9 easy with answer	1.74	0.2	353	49
very hard sudoku puzzles 9x9 pdf	0.56	0.8	8908	5
sudoku 9x9 with answers	1.89	0.7	8301	54
extremely difficult sudoku puzzles	0.93	0.3	3488	12
sudoku very hard 9.9	2	0.6	3014	22
how to solve extremely difficult sudoku	1.54	0.8	6682	42
sudoku 9x9 daily challenge	1.85	0.5	2447	37
extremely difficult sudoku online	1.73	0.2	6857	90
extreme sudoku 9 x 9	1.05	0.5	8703	77
free sudoku 9x9 daily challenge	0.72	0.4	6636	40
sudoku 9x9 online daily challenge	1.26	0.4	5800	51
free sudoku solver 9x9	1.78	0.3	7089	23
very difficult sudoku puzzles	0.35	0.2	7934	71
extreme sudoku difficult puzzles and solvers	1.11	0.6	4468	69
sudoku very hard pdf	0.27	0.3	9261	40