C A 71 dB

C B 71 dB

C B 72 dB

D A 75 dB

B A 72 dB

C C 72 dB

C C 72 dB

C C 72 dB

C B 74 dB

C B 74 dB

C A 71 dB

C A 71 dB

C C 73 dB

F F 75 dB

D D 73 dB