/*JOBPARM R=384                                                                 
// EXEC SAS                                                                     
//SAS.SYSIN DD *                                                                
TITLE 'VITERBI';                                                                
DATA TRELLIS;                                                                   
  INPUT FROM $ TO $ NEGLOGPR;                                                   
  CARDS;                                                                        
SOURCE E1IN 0                                                                   
SOURCE R1IN 0                                                                   
SOURCE T1IN 0                                                                   
E2IN E2OUT 6                                                                    
E3IN E3OUT 6                                                                    
R1IN R1OUT 8                                                                    
R2IN R2OUT 8                                                                    
R3IN R3OUT 8                                                                    
E3OUT SINK 0                                                                    
R3OUT SINK 0                                                                    
E1OUT E2IN .699                                                                 
E1OUT R2IN .301                                                                 
E2OUT E3IN .699                                                                 
E2OUT R3IN .301                                                                 
R1OUT E2IN .523                                                                 
R2OUT E3IN .523                                                                 
;                                                                               
PROC PRINT;                                                                     
PROC NETFLOW DATA=TRELLIS ASOURCENODE=SOURCE                                    
   ASINKNODE=SINK SHORTPATH;                                                    
  TAILNODE FROM;                                                                
  HEADNODE TO;                                                                  
  COST NEGLOGPR;                                                                
PROC PRINT;