1-8
: 1s+2s form arches on the side & set, 1s+2s+3s form arches &
  set, 1s+2s+3s+4s form arches & set twice
9-16
: 1s+2s dance RH across 1/2 way, 1s+3s dance LH across 1/2 way, 1s+4s
  dance RH across 1/2 way & all cross to own sides LH
17-24
: 2s+3s+4s+1s set, 1s adv to ptnr & set facing up with 2s+3s+4s setting &
  forming arches, 1s lead up to top (under arches) all end on sides
25-32
: 1s cast behind 2s, dance down in front of 3s, cast down behind 4s & turn
  RH