ok. well it will probably depend on avails for the seat requests then, but in most cases it looks like I is available so there's some chance.
Toying with outbound as above (PER-ADL-CBR-MEL-SYD-BNE, BNE-MEL - 28+18+18+18+18+48) and inbound MNL-BNE-CBR-MEL-SYD-PER (48+18+18+18+38), dropping 288 or...