C B 71 dB

D C 71 dB

D C 71 dB

C B 70 dB

C C 70 dB

C A 70 dB

B A 70 dB

B A 70 dB

C B 70 dB

C B 69 dB

C B 69 dB

C A 70 dB

B A 70 dB

C B 70 dB

C B 70 dB

D C 71 dB

B B 70 dB

D B 71 dB

E C 71 dB

C A 68 dB