1-8
: All chase 1/2 round clockwise to opposite side; 4s+3s & 2s+1s dance 1/2
  RH across & 1/2 turn partner RH. (3) (4) (1) (2)
9-16
: All repeat bars 1-8 back to original places
17-24
: Ladies Adv+Ret & set twice **while** Men set, Adv+Ret, set
25-32
: 1s cross RH below 2s (2s dance up to 1st place), cast behind 3s (3s step
  up), cross LH below 4s (4s dance up), all 4 couples set.  2 3 4 1