1-8
: 1s & 4s turn RH, cast in 1 place & turn partner LH 1.1/2 to end in lines
  of 4 across (1s between 2s & 4s between 3s)
9-16
: All dance reels of 4 across ending with 1s & 4s passing partners RH &
  all facing down/up to other line of 4
17-24
: All set & change place RH with opposite person, 2s & 3s set **while** 4s
  & 1s cast in to 2nd/3rd place on opp side, all cross LH with ptnr
25-32
: All chase anticlockwise 1/2 way, 1s+4s dance 1/2 LH across & all set. 2
  4 1 3