B 2.2

B 2.2

B 2.2 A

B 2.2 A

B 2.2 B

B 2.2 B

B 2.2 C

B 2.2 C

B 2.2 D

B 2.2 D

B 2.2 E

B 2.2 E

B 2.2 G

B 2.2 G