1-8
: 1s turn RH, cast 1 place, turn RH 1.1/2 times & pick up 1st corners (on
  their left)
9-16
: Couples change pls (1L+crnr pass under arch made by ptnr+crnr), turn
  crnrs (1L RH & 1M LH) to end 1L between 2M+3M & 1M between 2L+3L & set
17-24
: 1s with 2nd corners repeat (but 1L turns RH & 1M turns LH)
25-32
: 1s cast to 2nd place own sides **while** 3L+2M turn RH once into RH
  across 1/2 way with 1s, 1s turn LH into LH across 1/2 way with 3M+2L