1-8
: 1M+3L & 1L+3M 1/2 turn RH & set, 2s+4s making arches Adv+Ret as 1L
  followed by 1M also 3L followed by 3M dance under arch & chase
  anticlockwise to opposite places
9-16
: 1M+3L & 1L+3M 1/2 turn LH & set, 2s+4s making arches Adv+Ret as 1M
  followed by 1L also 3M followed by 3L dance under arch & chase
  clockwise to own places
17-24
: 2M+4L & 2L+4M 1/2 turn LH **while** 1s+3s chase clockwise 1 place round
  the set to join hands across the set (1M+4L+2M+3L & 1L+4M+2L+3M) &
  Bal-in-Line, ends turn in & Bal-in-Line again
25-32
: All dance reels of 4 across
33-40
: 4L followed by 4M & 2L followed by 2M dance clockwise around outside to
  own places **while** 1M followed by 1L & 3M followed by 3L dance RH
  across to place & all turn RH
41-48
: All circle 8H round & back

{{explanation}}
Repeat with 2s & 4s as dancing couples