Originally Posted by
pandaperth

I cannot answer any of your questions, but it struck me that your itinerary doesn't appear to comply with the rule about transiting Asia twice:
I think I should be right because MEL-HKG-JFK is the transit without stopover and then I have the LHR-HKG which is my second Asia arrival and does have stopovers.
Two permitted in Asia when one is a transfer without stopover
I have used x to indicate transfer but maybe this isn't the notation I'm supposed to use???