sudoku 9x9 extremely difficult expert

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
sudoku 9x9 extremely difficult expert	1.15	0.4	7717	12	37
sudoku	1.63	0.7	8691	24	6
9x9	1.55	0.3	5531	1	3
extremely	0.33	0.6	8728	59	9
difficult	0.9	0.9	1191	25	9
expert	0.21	0.6	7931	35	6

Keyword	CPC	PCC	Volume	Score
sudoku 9x9 extremely difficult expert	0.18	0.9	8540	88
sudoku 9x9 free extremely hard	1.82	0.5	8864	82
extremely hard sudoku 9x9	1.36	0.3	1406	79
daily extremely hard sudoku 9x9	1.84	0.7	8801	9
daily hard sudoku 9x9	0.33	0.8	290	13
free very hard sudoku 9x9	1.16	0.3	6231	59
very hard sudoku puzzles 9x9 with answers	1.67	0.9	1785	21
sudoku 9x9 easy with answer	1.31	0.7	213	43
very hard sudoku puzzles 9x9 pdf	1.82	0.9	6182	71
sudoku 9x9 with answers	1.72	0.5	1563	29
extremely difficult sudoku puzzles	0.51	0.4	4621	80
sudoku very hard 9.9	1.17	0.1	2212	95
how to solve extremely difficult sudoku	0.55	0.1	5331	8
sudoku 9x9 daily challenge	1.98	0.6	2849	39
extremely difficult sudoku online	1.27	0.4	6646	40
extreme sudoku 9 x 9	0.01	0.9	1811	55
free sudoku 9x9 daily challenge	0.57	0.5	5679	87
sudoku 9x9 online daily challenge	0.45	0.4	9642	71
free sudoku solver 9x9	0.7	1	8694	85
very difficult sudoku puzzles	0.31	0.9	7056	23
extreme sudoku difficult puzzles and solvers	1.94	0.1	4596	91
sudoku very hard pdf	1.51	0.8	2361	74