Originally Posted by
aBroadAbroad
How do we know that? I don't see where OP specified the type of redemption, and doesn't explain what AAA-BBB-CCC represents. Maybe I'm having an off day (likely), but seems it could just as easily be two one way awards (LAX-HKG-SFO) as a single one way with stopover (NRT-JFK-LHR)...

The OP did specify that he flown on a one-way segment to the point of the stopover, before his international segment.
He later edited the details out, hence the confusion, but the situation was that it was a single one-way award with a stopover.