B B 72 dB

B B 72 dB

C B 75 dB

C B 72 dB

D B 74 dB

C A 73 dB

C A 73 dB

C A 73 dB

C A 75 dB

C B 73 dB

A B 74 dB

B B 71 dB

B A 71 dB

B A 71 dB

C A 69 dB

A B 72 dB

A B 72 dB

A 74 dB

D B 70 dB

C B 71 dB