1-8
: 1s & 4s cast in 1 place, pass partner LSh to BtoB position facing 2s/3s,
  set & change places RH with 2s/3s
9-16
: 2s+3s dance LH across & end BtoB facing 1s/4s, all set & 1/2 turn 1s/4s
  who end BtoB between 2s/3s
17-24
: All dance reels of 4 across ending with 1s & 4s in centre facing down
25-32
: 4s cross down & cast up to 2nd pl as 1s lead down & cross into 4th
  pl, 1s+3s set on sides & change pl (RH on M side, LH on L) to
  end 2 4 1 3