1-8
: 1s lead down the middle & back to 2nd place BtoB in middle (Lady facing
  up & Man down)
9-16
: 1s dance Double Triangles (Lady with 2s & Man with 3s to start) when 1s
  change places corners petronella 1 place to right & 1s end BtoB facing
  opposite sides **while** corners end diagonally opposite original
  places
17-24
: 1s cast LSh round 2nd corners, pass giving RH & cast RSh round 4th
  corners to 2nd place own sides
25-32
: 1s dance Diag R&L