----------------  SOLUTION  -------------------

solution cost   : 702.448
number of trips : 4

trip 1, 4 customers, sequence : 2 1 6 10 
   weight    : 4484
   volume    : 664
   trip cost : 130.567

trip 2, 4 customers, sequence : 12 3 15 16 
   weight    : 610
   volume    : 700
   trip cost : 140.015

trip 3, 6 customers, sequence : 18 19 20 22 17 14 
   weight    : 2045
   volume    : 644
   trip cost : 213.174

trip 4, 8 customers, sequence : 7 21 4 5 8 9 13 11 
   weight    : 3050
   volume    : 670
   trip cost : 218.692

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----------------  BIN PACKING  -------------------

trip 1 - vehicule packing see 2l_cvrp0704_T1.png
-----------------
customer 2, list of items : 1 2 3 
customer 1, list of items : 4 5 6 
customer 6, list of items : 7 8 9 10 
customer 10, list of items : 11 12 13 

trip 2 - vehicule packing see 2l_cvrp0704_T2.png
-----------------
customer 12, list of items : 1 2 3 4 
customer 3, list of items : 5 6 
customer 15, list of items : 7 8 
customer 16, list of items : 9 10 11 12 

trip 3 - vehicule packing see 2l_cvrp0704_T3.png
-----------------
customer 18, list of items : 1 2 3 
customer 19, list of items : 4 5 
customer 20, list of items : 6 
customer 22, list of items : 7 8 
customer 17, list of items : 9 10 11 
customer 14, list of items : 12 

trip 4 - vehicule packing see 2l_cvrp0704_T4.png
-----------------
customer 7, list of items : 1 
customer 21, list of items : 2 3 
customer 4, list of items : 4 5 6 
customer 5, list of items : 7 
customer 8, list of items : 8 
customer 9, list of items : 9 
customer 13, list of items : 10 
customer 11, list of items : 11 12 13 14