27 



oo 



PP 

 qq 

 rr 

 ss 



12. Rl 

 b Rl 

 c 

 d 

 e 



f 

 g 

 h 

 i 



J 

 k 

 1 

 m 

 n 

 o 

 P 



q 



r 

 s 

 t 

 u 



V 



