Originally Posted by
deconz
You also can't visit Asia twice either!!! Suggest ... HKG-SYD-WLG-SYD-JFK ...
Yes s/he can.
The allowed exception is:
Two permitted in Asia when one is a transfer without stopover or on direct single plane service between the Southwest Pacific and Europe
(and so in the proposed itinerary, one of the HKG visits needs to have a little 'x' before it

)
See also the recent discussion on the exception, in
this thread