Grouping based on a theoretical criterion: Role
===============================================

 	Fixed value:

 1                       BASE             
 1                       NORM             
 1                       largePowerOfTwo  
 1                       monthsToProcess  
 1                       pier_length      

 	Stepper:

     1                   count            
     1                   currentMonth     
     1                   month            
     1                   powerOfTen       
     1                   powerOfTwo       

     	Most-recent holder:

         1               CHAR_command     
         1               INT_current      
         1               SHIP             
         1               currDigit        
         1               day_nbr          
         1               test_res         

	Most-wanted holder:

             1           INT_greatest     
             1           CLOSEST          
             1           longest          
             1           max_delta        
             1           smallDigit      

	Gatherer:

                 1       INT_used        
                 1       days_at_end     
                 1       numericValue    
                 1       total           

	Follower:

                     1   days_to_beginning 
                     1   last_ship        
                     1   preceding        
                     1   previous        
                     1   yesterday