1-8
: 1s dance down, cast up round 3s (2s step up 3-4).  2s+1s+3s turn
  partners RH. Finish in Allemande hold facing up
9-16
: 2s+1s+3s dance Allemande.  1s end facing 1st corner pstns
17-18
: 1L+3M also 1M+2L pass RSh to change places **while** 3L+2M set
19-20
: 3M+2L (in centre) turn LH once round **while** others chase clockwise to
  next corner
21-24
: Repeat bars 17-20 from new positions
25-28
: Repeat bars 17-20 from new positions except bars 27-28 when 1s (in
  middle) turn LH to end 1M between 2s (at top) facing 2L, 1L between 3s
  facing 3M
29-32
: 1/2 LSh reels of 3 across (1M+2s & 1L+3s). Bar 32 - 1s dance towards
  each other, turn left about to face own sides
33-40
: 2s+1s+3s dance Double Triangles