

F1      (2/3+2/18)       0        0        	(1/6)     0	0	0	0	27  
F2      (1/2) 	         0        0        	(1/3)     0     0	0	0	5		
F3      (1/7)	         0        (3/4+2/6)     (1/5)  	  0	0	0	0	22 
F4      (1/5)           (2/6)     0        	0       (3/9)	0	0	0	30	
F5	(1/7)            0        0        	0	  0 	0	0	0	7
F6	(1/6)		 0	  0		0	  0	0	0	0	6
F7      (1/5)           (2/6)     0        	0       (3/9)	0	0	0	30	
F8	(1/7)            0        0        	0	  0 	0	0	0	7

 
