1-4
: 1s 1/2 turn 2s on sides (1M RH - 1L LH) to 1s in centre BtoB facing out,
  2s+1s+3s set,
5-8
: 1s 1/2 turn 3s on sides (1M LH - 1L RH) to 3s in centre BtoB facing out
  & 2s+3s+1s set
9-16
: 1s followed by 3s dance up between 2s, cast down 1 place; 1s dance down
  between 3s & cast up to 2nd place, 3s loop into 3rd place
17-24
: 1s turn 1st corners RH, pass partner RSh turn 2nd corners RH & cross
  passing partner RSh to 2nd place own sides
25-32
: 2s+1s+3s circle 6H round & back