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

solution cost   : 284.419
number of trips : 3

trip 1, 6 customers, sequence : 10 15 4 13 14 6 
   weight    : 83
   volume    : 733
   trip cost : 118.114

trip 2, 5 customers, sequence : 12 5 9 11 1 
   weight    : 87
   volume    : 677
   trip cost : 68.4329

trip 3, 4 customers, sequence : 2 3 8 7 
   weight    : 88
   volume    : 466
   trip cost : 97.8712

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

trip 1 - vehicule packing see 2l_cvrp0102_T1.png
-----------------
customer 10, list of items : 1 2 
customer 15, list of items : 3 4 
customer 4, list of items : 5 6 
customer 13, list of items : 7 
customer 14, list of items : 8 
customer 6, list of items : 9 

trip 2 - vehicule packing see 2l_cvrp0102_T2.png
-----------------
customer 12, list of items : 1 
customer 5, list of items : 2 3 
customer 9, list of items : 4 5 
customer 11, list of items : 6 7 
customer 1, list of items : 8 9 

trip 3 - vehicule packing see 2l_cvrp0102_T3.png
-----------------
customer 2, list of items : 1 2 
customer 3, list of items : 3 4 
customer 8, list of items : 5 
customer 7, list of items : 6