1-8
: 1s & 4s set & cast in 1 place, 1s & 4s dance 1/2 Figs of 8 round new end
  couples
9-12
: 1M+4M & 1L+4L cross (men making an arch) & turn corners with free hand
  to face up/down
13-16
: 1s+4s dance down/up (couple dancing up make the arch) & turn corners
17-24
: Repeat bars 9-16 from new positions
25-32
: 1s+4s dance 1/2 R&L, turn partner RH