23 



Rl 

 R3 

 S2 

 S 



Rl 



Rl-I2-F18b 



R4 



S3-I1-F1 



R1-I1-F2 



R1-I4-F8 



Rl-I4-F14b 



R1-I1-F3 



Rl 



Rl 



Rl 



S 



Rl 



Rl 



R1-I4-F13 



R1-I3-F14 



R1-I6-F36 



Rl 



Rl 



Rl-Il-F47b 



Rl 



Rl 



Rl 



R1-I1-F6 



Rl 



S 



S 



Rl 



S 



Rl 



Rl 



Rl 



Rl 



Rl 



RlSl 



R1-I4-F4 



Rl 



R1-I2-F9 



Rl 



