C B 69 dB

C B 69 dB

N/A N/A

N N

N N

D A 70 dB

D C 70 dB

D B 72 dB

C B 72 dB

C A 72 dB

D A 72 dB

C B 71 dB

C A 72 dB

D A 72 dB

C C 72 dB

D C 72 dB

B A 70 dB

C A 70 dB

C A 71 dB

D A 69 dB