1-8
: 1s set, cast 1 place (2s step up); 1s set & Petronella turn into lines
  of 3 across (1M between 3s, 1L between 2s)
9-16
: 2s+1s+3s set, 1s turn 3/4 RH to opposite sides; all set & 1s turn 3/4 RH
  to face Men's side NHJ (1M above 1L)
17-20
: 1s lead out between 2M & 3M, divide, cast (1M up, 1L down) & into centre
  facing Ladies' side & join LH
21-24
: 1s dance out Ladies' side, cross & cast (1M down, 1L up), to end 1M
  between 3s facing up & 1L between 2s facing down
25-32
: 2s+1s+3s set & 1s turn 3/4 RH to 2nd place opp sides; all set & 1s cross
  RH to 2nd place own side.  2 1 3

: 2nd time through Bars 31-32: 1s cross LH to 4th place