1-8
: 1M followed by partner casts 1 place, crosses below 2s, casts up &
  crosses back to place
9-16
: 1s+2s circle 4H round & back ending in centre 1s facing down & 2s up
17-24
: 1s dance down the set under an arch made by 2s (who dance up) & 1s dance
  back up to 2nd place
25-32
: 2s+1s Promenade