Orleans Baffled

 A  1-2 1st couple cast down to second place, 
         2nd couple moving up. 
     3-4 1st and 3rd couples poussette half-way 
         clockwise, 1st man pushing. 
     5-6 1st couple cast up to second place, 3rd couple moving down. 
     7-8 1st and 2nd couples poussette half-way clockwise, 
         1st man pulling. 
       9 1st corners change places.
      10 2nd corners change places.
   11-12 1st couple face up, 2nd couple down: circular hey, three changes.