1-8
: 1s+2s dance 1/2 R&L, 1s+3s dance 1/2 R&L.
9-16
: All dance parallel reels of 3 on sides (2s give RSh to 3s to start)
17-24
: All dance Grand Chain with 2s+3s changing places on side as 1s cross to
  start
25-32
: 1s lead up to top cross & cast to 2nd place opposite sides (3s+4s step
  down 27-28); 2s+1s+3s set & cross RH