{{explanation}}
2s & 4s start on opposite sides   1 (2) 3 (4)

1-8
: 1s+2s also 3s+4s Set+Link, 2s+1s also 4s+3s Set+Link with Men ending in
  centre in line up/down in order 1 2 3 4
9-16
: All Men dance RSh reel of 4 in middle
17-24
: 1M+2M also 3M+4M turn RH **while** Ladies set, 1s+2s also 3s+4s dance
  1/2 RH across (2 bars); pull back LSh curving left & dance 1/2 LH
  across back to original places
25-32
: 1s+4s chase anticlockwise 1/2 way **while** 2s+3s dance RH across, 4s+2s
  also 3s+1s turn LH on sides
33-40
: 4s+2s also 3s+1s dance the Bourrel :

: 4M+2M also 3M+1M set advancing, 3/4 turn 2H & twirl to end BtoB (2M/1M
  facing up & 4M/3M down) **while** partners chase anticl' 1/2 way,

: set to partners & turn 2H to end (2) 4 (1) 3
41-48
: All circle 8H round & back

{{explanation}}
Repeat from new positions with Ladies dancing reel of 4 & Ladies setting in the Bourrel