cvrptw4 VEHICLE NUMBER CAPACITY 10 10 CUSTOMER CUST NO. XCOORD. YCOORD. DEMAND READY TIME DUE DATE SERVICE TIME 0 0 0 0 0 100 0 1 0 10 10 20 100 10 2 0 20 10 10 100 10 3 0 30 10 20 100 10