1-8
: 1s followed by 2s & 3s lead down the middle; 3s followed by 2s & 1s lead
  back up. 3 2 1
9-16
: 2s pass RSh & turn 1st corners 3/4 RH to end 1L between 3s (at top), 1M
  between 1s (at bottom); 2s pass RSh & turn 2nd corners 3/4 RH to end
  in 2nd place opp side
17-24
: 2s dance out of ends (2L up, 2M down) & cast to 2nd place own side;
  3s+2s+1s turn RH into promenade hold
25-32
: 3s+2s+1s dance Promenade ending with 3s casting to 2nd place, 2s dancing
  up to top. 2 3 1