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

solution cost   : 2587.63
number of trips : 6

trip 1, 4 customers, sequence : 11 9 12 10 
   weight    : 8826
   volume    : 706
   trip cost : 158.758

trip 2, 5 customers, sequence : 18 2 28 27 26 
   weight    : 33003
   volume    : 735
   trip cost : 425.706

trip 3, 5 customers, sequence : 32 13 17 1 4 
   weight    : 7906
   volume    : 745
   trip cost : 513.179

trip 4, 7 customers, sequence : 8 23 19 15 14 24 22 
   weight    : 31921
   volume    : 771
   trip cost : 501.715

trip 5, 6 customers, sequence : 29 30 7 6 31 16 
   weight    : 10472
   volume    : 665
   trip cost : 342.369

trip 6, 5 customers, sequence : 21 25 20 3 5 
   weight    : 6437
   volume    : 696
   trip cost : 645.903

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp1304_T1.png
-----------------
customer 11, list of items : 1 2 3 4 
customer 9, list of items : 5 6 7 8 
customer 12, list of items : 9 10 11 
customer 10, list of items : 12 13 14 15 

trip 2 - vehicule packing see 2l_cvrp1304_T2.png
-----------------
customer 18, list of items : 1 2 3 
customer 2, list of items : 4 5 6 
customer 28, list of items : 7 8 
customer 27, list of items : 9 10 
customer 26, list of items : 11 12 13 

trip 3 - vehicule packing see 2l_cvrp1304_T3.png
-----------------
customer 32, list of items : 1 2 3 
customer 13, list of items : 4 5 6 7 
customer 17, list of items : 8 
customer 1, list of items : 9 10 11 
customer 4, list of items : 12 13 

trip 4 - vehicule packing see 2l_cvrp1304_T4.png
-----------------
customer 8, list of items : 1 2 3 4 
customer 23, list of items : 5 
customer 19, list of items : 6 
customer 15, list of items : 7 8 
customer 14, list of items : 9 
customer 24, list of items : 10 11 
customer 22, list of items : 12 13 14 15 

trip 5 - vehicule packing see 2l_cvrp1304_T5.png
-----------------
customer 29, list of items : 1 2 3 4 
customer 30, list of items : 5 6 
customer 7, list of items : 7 
customer 6, list of items : 8 
customer 31, list of items : 9 
customer 16, list of items : 10 

trip 6 - vehicule packing see 2l_cvrp1304_T6.png
-----------------
customer 21, list of items : 1 
customer 25, list of items : 2 3 
customer 20, list of items : 4 5 
customer 3, list of items : 6 7 8 9 
customer 5, list of items : 10 11 12