1-8
: 1s lead down& lead back up, crossing to end in centre BtoB 2nd place (2s
  step up 3-4) ready for ...
9-16
: 2s+1s+3s dance Double Triangles. 1s end facing 2nd corners. 2 (1) 3
17-24
: All dance reels of 3 on sides,1s passing 2nd corner LSh to start (1M
  up, 1L down). At end of reel 1s cross diagonally to 2nd place own side
25-32
: 2s+1s+3s circle 6H round to left; pull back LSh & chase anticlockwise
  back to own side