1-8
: 1s+2s also 3s+4s Petronella-in-tandem & set, dance RH across to end 1s
  & 3s on Men's side & 2s & 4s on Ladies' side
9-16
: All dance reels of 4 on sides
17-24
: All set to partners & turn 2H, 1s+2s also 3s+4s circle 4H round to
  left 1.1/4 way & ending 1s facing 2s & 3s facing 4s
25-32
: All set passing facing couple (2s dancing to top & 3s to
  bottom) **while** 1s+4s pass & cast round end couples to 2nd/3rd
  place.  2 4 1 3