1-8
: 1s cross & cast into reflection reels of 3 on opposite sides with 2s &
  3s, 1s ending with extra loop to change places with 2s
9-16
: 1s cross down into reflection reels of 3 on own sides with 3s & 4s (1s
  end 2nd place own sides)
17-24
: 1M+3L change places RH & set **while** partners set & change places RH,
  1s & 3s set to partners & cross RH to own sides
25-32
: 2s+3s circle 4H round & back **while** 1s+4s circle 4H round to Left for
  3 bars & back with 1s casting 4th places
33-40
: All dance Grand Chain (End couples cross to begin)