In 17-32, the corners traditionally set one bar to the person you just passed, then one bar to the next person to pass. In a variant for [19-24] 1c turns BH in PdB.
The set is now inverted ; repeat using the bottom (3c) as new top. In 6 times through each couple dances once as 1c from »each hemisphere«.
Note: On , some dancing couples choose to face in after the RH turn and then cast into the next figure.
On 3rd time through, new 3c+4c copy [1-4] to progress.
Note: numbered cnrs refer to positions
For  Finley's original version says »… third couple … in 2nd place on the opposite side, "having danced the long way into place", a phrase omitted in the RSCDS version.
Note: Cosh explicitly tells 1c to pass Lsh in [9-24]; however the Rsh pass is quite common, and nicknamed »Mairi's Divorce«.
Note that both times the couple moving UP makes the arch.
[25-32] represent tacking the ship, therefore no polite turns