VI 



/ft 19 20 21 22 23 21 !i 26 27 2i 2S 3O % 2 3 4 5 6 7 S 9 IO II II 13 It IS 16 17 It 19 



67 S P 10 II 12 14 IS IS 17 IS 19 20 21 22 



16 

 15 



i. 

 < 



5 



16 

 15 

 II 

 13 



a 



11 



10 

 9 

 5 

 7 

 r. 

 5 

 4 

 S 

 t 

 1 



7 A 9 to II 12 13 / 



Curve No. fib 



IS 17 18 IS 2O 21 22 



19 



