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

solution cost   : 609.9
number of trips : 3

trip 1, 8 customers, sequence : 7 8 4 5 9 13 11 12 
   weight    : 3175
   volume    : 660
   trip cost : 142.509

trip 2, 3 customers, sequence : 18 21 10 
   weight    : 4395
   volume    : 370
   trip cost : 183.995

trip 3, 11 customers, sequence : 19 20 22 17 14 15 16 3 2 1 6 
   weight    : 2619
   volume    : 776
   trip cost : 283.396

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

trip 1 - vehicule packing see 2l_cvrp0805_T1.png
-----------------
customer 7, list of items : 1 
customer 8, list of items : 2 3 4 
customer 4, list of items : 5 6 7 8 9 
customer 5, list of items : 10 11 12 
customer 9, list of items : 13 14 
customer 13, list of items : 15 
customer 11, list of items : 16 17 18 19 
customer 12, list of items : 20 

trip 2 - vehicule packing see 2l_cvrp0805_T2.png
-----------------
customer 18, list of items : 1 2 3 4 
customer 21, list of items : 5 6 7 8 9 
customer 10, list of items : 10 

trip 3 - vehicule packing see 2l_cvrp0805_T3.png
-----------------
customer 19, list of items : 1 2 3 
customer 20, list of items : 4 
customer 22, list of items : 5 6 7 
customer 17, list of items : 8 9 
customer 14, list of items : 10 
customer 15, list of items : 11 12 13 14 
customer 16, list of items : 15 16 
customer 3, list of items : 17 
customer 2, list of items : 18 
customer 1, list of items : 19 20 21 
customer 6, list of items : 22