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

solution cost   : 738.432
number of trips : 4

trip 1, 4 customers, sequence : 18 19 22 20 
   weight    : 1295
   volume    : 694
   trip cost : 177.397

trip 2, 6 customers, sequence : 14 17 15 2 1 6 
   weight    : 1284
   volume    : 741
   trip cost : 187.257

trip 3, 8 customers, sequence : 12 13 9 8 5 4 21 7 
   weight    : 3125
   volume    : 722
   trip cost : 218.092

trip 4, 4 customers, sequence : 11 10 3 16 
   weight    : 4485
   volume    : 669
   trip cost : 155.687

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp0803_T1.png
-----------------
customer 18, list of items : 1 2 
customer 19, list of items : 3 4 5 
customer 22, list of items : 6 7 8 
customer 20, list of items : 9 10 11 

trip 2 - vehicule packing see 2l_cvrp0803_T2.png
-----------------
customer 14, list of items : 1 2 
customer 17, list of items : 3 4 5 
customer 15, list of items : 6 
customer 2, list of items : 7 
customer 1, list of items : 8 9 10 
customer 6, list of items : 11 

trip 3 - vehicule packing see 2l_cvrp0803_T3.png
-----------------
customer 12, list of items : 1 
customer 13, list of items : 2 3 4 
customer 9, list of items : 5 
customer 8, list of items : 6 
customer 5, list of items : 7 
customer 4, list of items : 8 9 
customer 21, list of items : 10 
customer 7, list of items : 11 

trip 4 - vehicule packing see 2l_cvrp0803_T4.png
-----------------
customer 11, list of items : 1 2 3 
customer 10, list of items : 4 
customer 3, list of items : 5 6 7 
customer 16, list of items : 8 9