1-8
: 1L+3M turn 1.1/2 RH to change places; 1M+3L turn 1.1/2 LH remaining in
  the middle ready for ...
9-16
: 1s+2M also 3s+2L dance RH across; 2s stand **while** 1s & 3s chase
  clockwise round to original places. 1 2 3
17-24
: All cross RH with partner, chase clockwise 1/2 round & set.  3 2 1
25-32
: 1s cross RH & cast up 1 place (2s step down); 1s turn 1.1/2 RH (or
  birl). 3 1 2