{{explanation}}
Man+2 Ladies on each side of triangular set

1-8
: All Men set to partner on right & change places RH, set to next Lady (in
  next trio) & change places LH (2 Ladies on right)
9-16
: All Men dance RH across & LH across 'new' partners (2 Ladies on right)
17-24
: All Men set to 'new' partner on right & change places 2H to face her
  (between 'new' partners) & dance 1/2 reel of 3 with 'new' partners
25-32
: All circle 9H round & back (Men now 1 place anticlockwise, LH Lady 1
  place clockwise & RH Lady remains in the same place)

{{explanation}}
Repeat with new partners