! Delivery Problem ! Data File: ifvan.dat ! ! Table IFVAN: Contains non-zero if route requires vans ! ! ! TO London Livpol Doncst York Hull Manchr Shffld ! FROM 1, 1, 0, 1, 0, 0, 0 ! London 0, 1, 1, 0, 1, 1, 0 ! Luton 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0 1, 1, 1, 1, 1, 0, 0 ! Scnthp