10. 

 b 

 c 

 d 



e 

 f 



g 



h 

 i 



J 

 k 



1 



11. 

 b 

 c 

 d 



e 

 f 



g 



h 

 i 



J 

 k 



1 



12. 

 b 

 c 

 d 



e 

 f 



g 



h 

 i 

 j 



R2 



R1-I3-F6 



Rl 



Rl 



R2-I2-F5 



S 



S 



R1-I6-F0 



R3-I4-F8 



R1-I1-F2 



Rl-Il-Fl 



R3 



Rl 



Rl 



Rl 



R2 



R3-I3-F5 



R2-I1-F4 

 R1-I1-F2 

 R1-I1-F2 

 R2 



R2 



Rl 



R1-I1-F2 



Rl 



R2 



R1-I5-F12 



Rl-Il-Fl 



R2-I2-F8 



R1-I4-F13 

 R1-I4-F21 

 R2-I3-F9 



R3 

 Rl 

 Rl 



Rl 

 Rl 

 Rl 

 R2 

 R3 



Rl 

 Rl 

 R2 

 S 



