1-8
: 1L followed by 1M casts below 2L, dances across; casts below 3M & across
  to own side.  2 3 1
9-16
: 1M followed by 1L casts up round 3M, dances across; casts up round 2s &
  across to own side.  1 2 3
17-24
: All join 2H with partner & slip step down middle & back, ending on
  sides. 1s face down, 2s+3s face up
25-32
: 1s+2s turn 1.1/2 RH on sides; 1s+3s turn 1.1/2 LH to end 2 3 1