1-8
: 1s+2s dance 1/2 R&L (no polite turns); 1s followed by 2s lead down
  middle
9-16
: 2s followed by 1s lead up; 2s+1s set & cross to own sides. 2 1
17-24
: 2s+1s dance RH across; 2s+1s chase clockwise back to place
25-32
: 2s+1s circle 4H round & back