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

1-8
: All set, cross RH, set cross back RH
9-16
: 1s+2s also 3s+4s dance double Fig of 8 (1s & 4s crossing down/up to
  start)
17-24
: 1s & 4s 1/2 turn RH moving down/up & face up/down **while** 2s & 3s
  dance to ends & face 1s/2s, all set, 1s+2s & 3s+4s dance RH across
25-32
: 1s & 4s dance 1/2 Fig of 8 round 2s/3s, 1s+4s dance 1/2 R&L. 2 4 (1) (3)