1-8
: 1s cast 1 place, petronella turn to face own sides, set as in Double
  Triangles & 1s dance round to face opposite side
9-16
: 1s dance 1/2 reels of 3 on opposite sides (RSh to 1st corner) & loop
  round to face up/down, set (as DT) & dance round to face opposite
  direction
17-24
: 1s dance 1/2 reels with 3s/2s giving RSh to 2nd corner (pstn) & loop
  round to face opposite sides, set (as DT) & dance round to face own
  sides
25-32
: 1s dance 1/2 diagonal RSh reel of 4 with 1st corner (pstns), pass LSh &
  dance 1/2 diagonal reel with 2nd corner (pstns). End 2 1 3