A   1-4 1st couple lead down through 2nd couple and cast up to place.
      5-8 2nd couple lead up through 1st couple and cast down to place.
B1  1-2 1st corners change places.
      3-4 2nd corners change places.
      5-8 All fall back a double, then come forward a double turning
          single to right.
B2  1-2 Partners change places, passing right shoulder.
      3-4 Neighbors change places, moving backward and passing
          right shoulder.
      5-8 Partners face and circular hey, three changes, skipping.