1-8
: 1s & 3s Petronella turn into centre & set; 1s+3s dance 1/2 RSh reel of 3
  up/down centre
9-16
: 1s+2L dance reel of 3 (1s pass partner RSh) **while** 3s+2M dance reel
  of 3 (3s pass partner RSh).  3s& 1s finish in line up/down centre
17-24
: 3s+1s Petronella turn to own side & set; 3s+2s Set+Link.  2 3 1
25-32
: 2s+3s+1s dance reels of 3 on side (2s pass 3s RSh to start)