Someone help me about the excel problem? Really need your help!! Thank you!!

My logic: colour the duplicate values in column F, except that the corresponding value in G column = 330.

So I wrote the following formulas in conditional formatting and get the result as follows.

Rule1: formula: =G2=330, applies to $F$2:$F$11
Rule2: duplicate values, applies to $F$2:$F$11

F G
2 240 330
3 960 1320
4 4800 6600
5 32160 44220
6 240 300
7 10 20
8 10 20

But what I want the result is as follows. Since G2=330, so 240 (F2) will be coloured blank, then F6 should be coloured blank since the value in F2 (240) = Value in F2 (240).
F G
2 240 330
3 960 1320
4 4800 6600
5 32160 44220
6 240 300
7 10 20
8 10 20