1-8
: All turn partners 2H & set, 1s & 4s cross RH & petronella turn to end in
  line up/down middle (L facing down & M up) as 2s & 3s step down/up
9-12
: 1s+4s dance 1/2 reel of 4
13-16
: 1s+4s turn RH **while** 2s+3s chase clockwise 1/2 way & when crossing
  the set dance 1/2 RH across with 1s/4s (3 hands across) 1s+4s end in
  middle
17-24
: Repeat bars 9-16, 2s end in 1st place, 3s in 4th place,1s & 4s in middle
  of set
25-32
: 1M & 4L followed by ptnrs dance out ends, cast to right & cross to own
  sides (order 2143), 1s+4s+3s dance 1/2 LSh reel of 3 on sides. 2 3 4 1