1-16
: All dance 1st 16 bars of Petronella. 2s/3s step up/down on bars 1-2 then
  join in with setting. On bar 16, 2s+3s remain in centre.
17-24
: 2s+3s dance RSh reel of 4
25-32
: 1s+2s also 3+4s dance 4H round & back
33-40
: 2s+3s set, 1/2 turn LH, 2s lead up 1 place & cast down into
  centre **while** 3s lead down & cast up into centre. 2s+3s face
  corners
41-44
: All set, 2s & 3s change places RH with corners
45-48
: Corners (1s & 4s) now in centre dance LH across & finish facing out to
  face 2s /3s in corner positions again
49-52
: All set, 1s+4s change places with 2s / 3s
53-56
: 2s+3s dance LH across & finish on side lines. (1) 2 3 (4)
57-64
: 1s+2s also 3s+4s dance Tournee:

: 1s+2s also 3s+4s dance into prom hold (Men with partner on right) &
  turn, 1s (3s) face Men's side & 2s (4s) face Ladie's side, couples 1/2
  wheel anticl'wise & Men turn Ladies into middle, both couples turn
  1.1/2 times (2s/4s RH, 1s/3s LH) & dance out to places. End 2 1 4 3

{{explanation}}
Note: 2s & 3s start Tournee from wrong side