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

solution cost   : 278.726
number of trips : 3

trip 1, 5 customers, sequence : 1 3 8 7 6 
   weight    : 80
   volume    : 718
   trip cost : 96.1267

trip 2, 4 customers, sequence : 12 9 2 11 
   weight    : 89
   volume    : 641
   trip cost : 68.0366

trip 3, 6 customers, sequence : 5 10 15 4 13 14 
   weight    : 89
   volume    : 580
   trip cost : 114.563

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

trip 1 - vehicule packing see 2l_cvrp0105_T1.png
-----------------
customer 1, list of items : 1 2 3 4 
customer 3, list of items : 5 6 7 8 
customer 8, list of items : 9 10 11 
customer 7, list of items : 12 13 14 15 16 
customer 6, list of items : 17 

trip 2 - vehicule packing see 2l_cvrp0105_T2.png
-----------------
customer 12, list of items : 1 2 
customer 9, list of items : 3 4 5 6 
customer 2, list of items : 7 8 9 10 
customer 11, list of items : 11 12 13 14 

trip 3 - vehicule packing see 2l_cvrp0105_T3.png
-----------------
customer 5, list of items : 1 2 3 4 
customer 10, list of items : 5 6 7 
customer 15, list of items : 8 9 10 
customer 4, list of items : 11 
customer 13, list of items : 12 
customer 14, list of items : 13 14