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

solution cost   : 2334.78
number of trips : 5

trip 1, 6 customers, sequence : 11 21 19 23 22 8 
   weight    : 32679
   volume    : 772
   trip cost : 314.979

trip 2, 8 customers, sequence : 9 29 30 2 28 27 26 18 
   weight    : 34419
   volume    : 768
   trip cost : 510.315

trip 3, 5 customers, sequence : 31 6 7 12 10 
   weight    : 12248
   volume    : 773
   trip cost : 198.478

trip 4, 6 customers, sequence : 4 1 17 13 32 16 
   weight    : 8046
   volume    : 670
   trip cost : 513.601

trip 5, 7 customers, sequence : 5 20 3 14 24 15 25 
   weight    : 11173
   volume    : 777
   trip cost : 797.403

__________________________________________________________

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

trip 1 - vehicule packing see 2l_cvrp1305_T1.png
-----------------
customer 11, list of items : 1 
customer 21, list of items : 2 3 4 5 6 
customer 19, list of items : 7 8 9 10 
customer 23, list of items : 11 12 13 14 
customer 22, list of items : 15 16 17 18 19 
customer 8, list of items : 20 21 22 23 

trip 2 - vehicule packing see 2l_cvrp1305_T2.png
-----------------
customer 9, list of items : 1 2 
customer 29, list of items : 3 
customer 30, list of items : 4 5 
customer 2, list of items : 6 7 8 9 10 
customer 28, list of items : 11 12 
customer 27, list of items : 13 14 15 16 
customer 26, list of items : 17 
customer 18, list of items : 18 19 20 21 22 

trip 3 - vehicule packing see 2l_cvrp1305_T3.png
-----------------
customer 31, list of items : 1 2 
customer 6, list of items : 3 4 5 6 7 
customer 7, list of items : 8 9 
customer 12, list of items : 10 11 12 13 14 
customer 10, list of items : 15 16 17 18 19 

trip 4 - vehicule packing see 2l_cvrp1305_T4.png
-----------------
customer 4, list of items : 1 2 
customer 1, list of items : 3 4 5 6 
customer 17, list of items : 7 8 9 
customer 13, list of items : 10 11 12 
customer 32, list of items : 13 14 15 
customer 16, list of items : 16 17 18 

trip 5 - vehicule packing see 2l_cvrp1305_T5.png
-----------------
customer 5, list of items : 1 2 
customer 20, list of items : 3 4 5 6 7 
customer 3, list of items : 8 9 10 11 
customer 14, list of items : 12 13 14 15 16 
customer 24, list of items : 17 
customer 15, list of items : 18 19 
customer 25, list of items : 20