1-8
: 1s+2s+3s dance RSh reels of 3 on sides
9-16
: 1s+2s turn RH 1.1/2 times on sides; 1s+3s turn LH 1.1/2 times on sides
  to end 2 3 1 4
17-24
: Top 3 couples dance RSh reels of 3 on sides
25-28
: Top couples also bottom couples turn RH 1.1/2 times on sides
29-32
: Middle couples turn LH 1.1/2 times on sides **while** bottom couple turn
  LH once round to end 3 4 2 1
33-64
: Repeat bars 17-32 twice more (original 1s+2s are now back at the top of
  the set)
65-72
: Top 3 couples dance RSh reels of 3 on sides
73-80
: Bottom couples (original 4s+3s) turn RH 1.1/2 times on sides & then the
  bottom couple (original 4s) turn LH to end 1 2 3 4