C A 73 dB

D B 72 dB

D B 72 dB

C B 71 dB

C B 71 dB

C A 71 dB

C A 71 dB

A A 72 dB

C A 70 dB

A B 73 dB

B B 72 dB

B A 71 dB

C B 73 dB

B B 69 dB

C B 69 dB

C A 73 dB

C A 73 dB

B A 70 dB

D A 70 dB