B B 73 dB

C A 72 dB

C A 73 dB

E B 70 dB

D B 72 dB

B C 73 dB

D A 72 dB

C A 72 dB

A B 70 dB

D A 73 dB

C A 73 dB

C B 72 dB

A B 72 dB

D A 72 dB

C B 71 dB

C B

C B 73 dB

B B 73 dB

C A 73 dB

C A