C
C
72 dB
E
C
72 dB
C
C
C
C
72 dB
C
C
72 dB
F
E
F
E
C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
73 dB
C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
72 dB
D
C
72 dB
E
D
F
E
F
B
C
C
72 dB
C
C
73 dB
E
B