1-8
: 1L & 4M petronella turn & set, 1L turns 2M 1.1/2 RH then 1/2 turns 3M
  LH **while** 4M turns 3L 1.1/2 RH then 1/2 turns 2L LH (End 1L in 4M's
  place, 4M in 1L's place)
9-16
: 1M & 4L repeat above Fig (bars 1-8) to end (4) 2 3 (1)
17-24
: 4s+2s also 3s+1s circle 4H round to left (3 bars), opening (4M & 1L
  leading) into circle of 8H (momentarily bar 20), breaking & flowing
  into 1s+2s also 3s+4s circle 4H round to Left to original places
25-32
: All dance 1/2 Grand Chain (4 steps), 1s (at bottom) turn RH 1.1/2 times
  to 4th place own side **while** 4s+3s+2s continue Grand Chain. End 2 3
  4 1