Ok, thinking of an AONE4.
Without maximising miles for now:
HND-BKK-HKG-SIN-SYD-PER.
PER-DOH-LHR-JFK-HND.
that should price, right?
Clearly a bunch of miles left to use up.
The new JL F seems impossible to get 1, let alone 2 A seats on.
Any must do routes that might actually have A availability?