Any reason why this routing wouldn't be valid on an FRTWSKY3?
ICN-(KE/J)-NRT-(AF/F)-CDG-(AF/F)-JNB-(AF/F)-CDG-(AF/F)-JFK-(KE/F)-ICN
Stopovers at NRT, CDG, JNB and JFK. Great Circle Mapper makes is 28,192 miles, and I think 83,401 FlyingBlue level miles.