1-4
: 1s cross RH, cast (2s step up) to BtoB 1M facing down, 1L facing up
5-8
: All set as Double Triangles (1L +2s, 1M+3s), 1s pull back RSh to
  face 2nd corners **while** corners continue to set
9-24
: 1s turn 1st corner RH, pass partner RSh (4 bars); repeat with 2nd, 3rd
  & 4th corners ending with Petronella turn to finish 1L between 2s
  (facing down) 1M between 3s (facing up)
25-32
: All Advance (2 steps), corners cast out & back to places (2 steps) and
  clap [1,2,1-2-3] **while** 1s birl to finish in 2nd place own side