B B 69 dB

C B 73 dB

C A 73 dB

D C 73 dB

C A 74 dB

C B 71 dB

C B 70 dB

E C 72 dB

C A 73 dB

D C 75 dB

C A 72 dB

B A 73 dB

C A 75 dB

B B 68 dB

D C 73 dB

B A 71 dB

C C 74 dB

C C 75 dB

C B 75 dB

B A 71 dB