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

solution cost   : 996.255
number of trips : 5

trip 1, 5 customers, sequence : 7 8 10 9 4 
   weight    : 5450
   volume    : 745
   trip cost : 169.558

trip 2, 8 customers, sequence : 12 15 17 26 27 16 28 29 
   weight    : 7950
   volume    : 712
   trip cost : 258.911

trip 3, 6 customers, sequence : 3 13 1 14 31 30 
   weight    : 7150
   volume    : 719
   trip cost : 170.614

trip 4, 5 customers, sequence : 2 11 32 6 5 
   weight    : 3120
   volume    : 704
   trip cost : 138.695

trip 5, 8 customers, sequence : 25 24 23 22 20 21 19 18 
   weight    : 5700
   volume    : 773
   trip cost : 258.476

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp1403_T1.png
-----------------
customer 7, list of items : 1 2 3 
customer 8, list of items : 4 5 6 
customer 10, list of items : 7 
customer 9, list of items : 8 9 10 
customer 4, list of items : 11 12 

trip 2 - vehicule packing see 2l_cvrp1403_T2.png
-----------------
customer 12, list of items : 1 
customer 15, list of items : 2 
customer 17, list of items : 3 4 
customer 26, list of items : 5 6 
customer 27, list of items : 7 
customer 16, list of items : 8 
customer 28, list of items : 9 
customer 29, list of items : 10 11 

trip 3 - vehicule packing see 2l_cvrp1403_T3.png
-----------------
customer 3, list of items : 1 2 3 
customer 13, list of items : 4 
customer 1, list of items : 5 6 7 
customer 14, list of items : 8 9 
customer 31, list of items : 10 
customer 30, list of items : 11 

trip 4 - vehicule packing see 2l_cvrp1403_T4.png
-----------------
customer 2, list of items : 1 2 3 
customer 11, list of items : 4 5 6 
customer 32, list of items : 7 8 
customer 6, list of items : 9 10 
customer 5, list of items : 11 

trip 5 - vehicule packing see 2l_cvrp1403_T5.png
-----------------
customer 25, list of items : 1 
customer 24, list of items : 2 
customer 23, list of items : 3 4 
customer 22, list of items : 5 
customer 20, list of items : 6 
customer 21, list of items : 7 8 
customer 19, list of items : 9 10 11 
customer 18, list of items : 12