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

solution cost   : 498.316
number of trips : 6

trip 1, 4 customers, sequence : 12 9 7 10 
   weight    : 3200
   volume    : 472
   trip cost : 71.4172

trip 2, 4 customers, sequence : 11 4 3 6 
   weight    : 3800
   volume    : 656
   trip cost : 96.0783

trip 3, 4 customers, sequence : 8 1 2 5 
   weight    : 4000
   volume    : 733
   trip cost : 110.577

trip 4, 3 customers, sequence : 17 21 16 
   weight    : 3800
   volume    : 438
   trip cost : 69.6242

trip 5, 2 customers, sequence : 19 13 
   weight    : 3800
   volume    : 466
   trip cost : 71.5599

trip 6, 4 customers, sequence : 14 20 18 15 
   weight    : 3900
   volume    : 672
   trip cost : 79.0593

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp0604_T1.png
-----------------
customer 12, list of items : 1 
customer 9, list of items : 2 3 
customer 7, list of items : 4 5 6 7 
customer 10, list of items : 8 9 10 

trip 2 - vehicule packing see 2l_cvrp0604_T2.png
-----------------
customer 11, list of items : 1 2 3 
customer 4, list of items : 4 5 6 
customer 3, list of items : 7 
customer 6, list of items : 8 9 10 

trip 3 - vehicule packing see 2l_cvrp0604_T3.png
-----------------
customer 8, list of items : 1 2 3 4 
customer 1, list of items : 5 6 7 
customer 2, list of items : 8 
customer 5, list of items : 9 10 

trip 4 - vehicule packing see 2l_cvrp0604_T4.png
-----------------
customer 17, list of items : 1 2 3 
customer 21, list of items : 4 5 6 7 
customer 16, list of items : 8 9 

trip 5 - vehicule packing see 2l_cvrp0604_T5.png
-----------------
customer 19, list of items : 1 2 3 4 
customer 13, list of items : 5 6 7 8 

trip 6 - vehicule packing see 2l_cvrp0604_T6.png
-----------------
customer 14, list of items : 1 2 3 4 
customer 20, list of items : 5 6 7 
customer 18, list of items : 8 9 
customer 15, list of items : 10