C A 73 dB

B C 75 dB

C B 74 dB

B A 72 dB

C C 74 dB

C C 73 dB

C B 73 dB

E C 72 dB

A A 71 dB

D B 75 dB

C A 70 dB

C A 71 dB

C A 75 dB

C C 72 dB

C A 74 dB

C A 74 dB

C B 74 dB

B B 72 dB

D A 72 dB

B B 74 dB