32 



31 a 

 b 

 c 

 d 



32 



33 a 



34 



35 a 

 b 



36 a 

 b 

 c 

 d 



37 a 

 b 

 c 

 d 



e 

 f 



g 



h 



38 a 

 b 

 c 

 d 



e 

 f 



g 



h 

 i 



39 a 

 b 

 c 

 d 



e 

 f 



g 



h 

 i 



J 

 k 



1 



m 



n 



