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

solution cost   : 1154.66
number of trips : 6

trip 1, 6 customers, sequence : 2 12 7 1 14 31 
   weight    : 6550
   volume    : 756
   trip cost : 176.684

trip 2, 5 customers, sequence : 27 16 28 29 30 
   weight    : 5300
   volume    : 713
   trip cost : 240.947

trip 3, 5 customers, sequence : 19 22 25 17 15 
   weight    : 3900
   volume    : 744
   trip cost : 217.707

trip 4, 7 customers, sequence : 5 6 8 9 10 32 11 
   weight    : 4970
   volume    : 770
   trip cost : 149.389

trip 5, 2 customers, sequence : 3 4 
   weight    : 1600
   volume    : 250
   trip cost : 113.787

trip 6, 7 customers, sequence : 26 24 23 20 21 18 13 
   weight    : 7050
   volume    : 775
   trip cost : 256.15

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp1503_T1.png
-----------------
customer 2, list of items : 1 
customer 12, list of items : 2 
customer 7, list of items : 3 4 5 
customer 1, list of items : 6 7 8 
customer 14, list of items : 9 10 
customer 31, list of items : 11 

trip 2 - vehicule packing see 2l_cvrp1503_T2.png
-----------------
customer 27, list of items : 1 2 
customer 16, list of items : 3 
customer 28, list of items : 4 5 
customer 29, list of items : 6 7 
customer 30, list of items : 8 9 

trip 3 - vehicule packing see 2l_cvrp1503_T3.png
-----------------
customer 19, list of items : 1 2 
customer 22, list of items : 3 4 5 
customer 25, list of items : 6 7 8 
customer 17, list of items : 9 
customer 15, list of items : 10 11 

trip 4 - vehicule packing see 2l_cvrp1503_T4.png
-----------------
customer 5, list of items : 1 2 
customer 6, list of items : 3 
customer 8, list of items : 4 5 6 
customer 9, list of items : 7 
customer 10, list of items : 8 
customer 32, list of items : 9 10 11 
customer 11, list of items : 12 13 

trip 5 - vehicule packing see 2l_cvrp1503_T5.png
-----------------
customer 3, list of items : 1 
customer 4, list of items : 2 3 

trip 6 - vehicule packing see 2l_cvrp1503_T6.png
-----------------
customer 26, list of items : 1 2 
customer 24, list of items : 3 4 5 
customer 23, list of items : 6 7 
customer 20, list of items : 8 
customer 21, list of items : 9 
customer 18, list of items : 10 
customer 13, list of items : 11 12