1-8
: 1s+3s dance RH across 1/2 way, 1/2 turn partners RH & 1M leads his
  partner up behind 2M to end in 1st places (opposite
  sides) **while** 3L leads her partner down behind 2L to end in 3rd
  place opposite sides
9-16
: 1s+3s repeat (from opposite sides) ending in original places
17-24
: 1s+2s+3s dance RSh reels of 3 (6 bars) & 1s+2s change places RH on sides
25-32
: 2s+1s+3s set twice & turn partners RH
33-40
: 2s+1s+3s circle 6H round to left for 6 steps, pivot left & chase back to
  places.  2 1 3