{{explanation}}
3s & 4s start on opp sides

1-8
: 1s & 4s dance Figs of 8 on sides (1s dance in & down as 4s dance in & up
  to start)
9-16
: 1s+2s also 3s+4s dance double Fig of 8
17-24
: 1s & 4s 1/2 turn RH moving down/up to 2nd/3rd places, 2s cast up, 3s
  cast down. 1s+4s dance RH across 1/2 way & 4s lead up crossing & cast
  to 2nd place own side **while** 1s lead down crossing & cast to 3rd
  place opp side.  2 4(1)(3)
25-32
: 2s+4s+1s+3s circle 8H round & back