Sequencing Example

This diagram shows seven aircraft in the TRACON trying to land at
the same eastbound runway.  On the LONG_LEFT seggment, Aircraft B
is followed by Aircraft A heading toward the southwest.  On the
OVER_THE_TOP_RIGHT_TO_LEFT segment, Aircraft G is heading northwest.
The OVER_THE_TOP_RIGHT_TO_LEFT segment merges with the LONG_LEFT
segment to form the DOWNWIND_LEFT segment.  Aircraft C is on
the DOWNWIND_LEFT segment heading west.  The DOWNWIND_LEFT
segment merges with the BASE_LEFT segment at the base.  Aircraft F
is on the BASE_LEFT segment heading southeast followed by Aircraft E.
Aircraft D is on the FINAL segment heading east.