
host Perth {
    x=100, y=250
    ostype = "linux"
    link to Melbourne 
}
host Canberra {
    x=450, y=280
    link to Melbourne 
    link to Sydney 
}
host Melbourne {
    x=400, y=340
    link to Canberra 
    link to Perth 
    link to Sydney 
    link to Hobart 
}
host Sydney {
    x=550, y=250
    link to Canberra 
    link to Melbourne 
    link to Hobart 
    link to Brisbane 
}
host Hobart {
    x=480, y=410
    link to Melbourne 
    link to Sydney 
}
host Brisbane {
    x=535, y=130
    link to Sydney 
}
host Adelaide {
    x=315, y=280
    link to Melbourne 
}
