1-8
: 1s turn RH & cast 1 place, 1s turn LH 1.3/4 times to end BtoB in middle
  facing 3rd corner (pstn) **while** 2s+3s chase clockwise 1/2 way
9-16
: 1s set to corners & dance 1/2 diagonal reel of 4 with 3rd corners
  into 1/2 reel of 3 on own sides (LSh to 4th corner pstn) to end
  facing 3rd corner (pstn)
17-24
: 1s repeat bars 9-16 but end facing each other (1L facing down to
  partner).  2 1 3
25-32
: 1s set & 3/4 turn 2H to 2nd place opposite sides **while** 2s+3s
  dance 1/2 R&L, all dance Grand Chain 1/2 way.  2 1 3