1-8
: 1s & 4s turn RH moving into centre & dance RH across & turn partner RH
  into line of 4 up/down set (Men BtoB)
9-16
: 1s+4s dance reel of 4 up/down & into...
17-24
: 1s also 4s dance reels of 4 across (1s with 2s & 4s with 3s) & end in
  original places
25-32
: All set & advance, 1s cast to bottom **while** others dance up & all set