Return on the Bus from OZ you will have a rest day plus a Day Off
Regs based much the same as the UK CAP 371 Document which can be found here
http://www.caa.co.uk/docs/33/CAP371.PDF
Company have a Committee set up to review complaints as well as ASR on Fatigue how ever expect to do some ball busting patterns
EK are aware of the problem patterns however experience has shown that it takes as much as a year in the case of the Seoul patterns before the company placed 3 crew on board.
Commercial Department rule's the roost with the line guys left to document the obvious until such time a change is put in place.
If you would like to chuck in the wild card called "Rosters with manual insertion" then all bets are off regarding rest periods.