B A 71 dB

C B 73 dB

E E 75 dB

B A 71 dB

C B 72 dB

B B 74 dB

C B 71 dB

C B 71 dB

D B 74 dB

B A 73 dB

B A 73 dB

C A 75 dB

A B 71 dB

C A 71 dB

C B 73 dB

C C 72 dB

C A 73 dB

C A 72 dB

C A 70 dB

C A 73 dB