T=20;
N=10;
Cost   = [26, 39, 13, 29, 16, 33, 30, 12, 34, 63];
Loads  = [21, 17, 13, 55, 31, 15, 30, 42, 61, 26];
Demand = [40, 23, 12, 52, 13, 36, 51, 18, 12, 50,
          78, 53, 52, 44, 17, 31, 46, 42, 35, 43];
Truck1 = 4;
Truck2 = 7;