netgroup1       (-,user1,one2one.co.uk)\
                (-,user1,t-mobile.co.uk)\
                (-,user2,one2one.co.uk)\
                (-,user2,t-mobile.co.uk)\
                (-,user3,one2one.co.uk)\
                (-,user3,t-mobile.co.uk)
netgroup2       (-,user4,one2one.co.uk)\
                (-,user4,t-mobile.co.uk)\
                (-,user5,one2one.co.uk)\
                (-,user5,t-mobile.co.uk)\
                (-,user6,one2one.co.uk)\
                (-,user6,t-mobile.co.uk)
netgroup3       (-,user7,one2one.co.uk)\
                (-,user7,t-mobile.co.uk)\
                (-,user8,one2one.co.uk)\
                (-,user8,t-mobile.co.uk)\
                (-,user9,one2one.co.uk)\
                (-,user9,t-mobile.co.uk)