1-8
: 1s dance RSh reels of 3 on sides & end with 1s passing 2s RSh to change
  places
9-16
: 1s+3s dance 1/2 LH across, 1M+3M also 1L+3L turn LH, 3L+1M set
  advancing, 1/2 turn 2H & turn to right to end BtoB in middle with 1M
  facing up **while** partners dance anticlockwise to end facing
  partners
17-24
: 1s+3s set to partners, turn 1.1/4 times 2H to own sides opening up
  for 4H round