{{explanation}}
3s & 4s start on opp sides

1-8
: All dance reels of 4 on sides
9-16
: 1s+2s also 3s+4s circle 4H round to left, 1s & 4s cast in 1 place & lead
  up/down to places **while** 2s & 3s cross up/down & cast in 1 place
17-24
: All dance interlocking Allemandes:

: 1s+3s dance Allemande up to end in 3rd/1st places **while** 2s+4s
  Allemande down to end 4th/2nd places.  3(4)1(2)
25-32
: 4s+1s dance the Bourrel :

: 4L+1L set advancing, 3/4 turn 2H & twirl to end BtoB (1L facing up & 4L
  down) **while** partners chase anticlockwise 1/2 way to face partners

: 1s+4s set to partners & 3/4 turn 2H to sides having changed places.  3 1
  (4) (2)