C A 68 dB

B A 69 dB

A C 71 dB

C A 72 dB

C A 71 dB

C A 71 dB

D C 71 dB

C C 72 dB

C C 72 dB

C C 72 dB

D D 72 dB

C C 71 dB

E C 72 dB

D C 76 dB

C C 71 dB

E B 73 dB

D B 70 dB

C C 67 dB

D C 71 dB

D D 73 dB