3c+4c cross on 2nd chord(1,2,3x,4x). This dance has top/bottom symmetry
3c & 4c start on opposite side
"This dance can be used to introduce the 3-couple allemande in reel time and as an introduction to dancing a medley - 32 bar strathspey - 32 bar reel, each couple dancing once through in strathspey time and then in reel time for their second turn." Also danced as medley; as S for 1c and 2c, as Reel for 3c and 4c.
Espagnole: both W lead RHJ to M side, cross and cast back to exchanged places while Men cross to W side, lead RHJ back to M side crossing to exchanged places ; all turn P EH (2,1)
After the second turn the dancing couple continues the reel with bottom couple to change places.
Four dancers, numbered 1,2,3,4 clw, stand in a square facing a fifth dancer in the middle, who faces the gap between numbers 1 and 4
[25-32] represent tacking the ship, therefore no polite turns
The first two turns are in Strathspey time, the second two are in Reel time.
Note: Cosh explicitly tells 1c to pass Lsh in [9-24]; however the Rsh pass is quite common, and nicknamed »Mairi's Divorce«.
after 2nd turn new 3c step up on [1-2]
note: 3c does not move on bars 1-8.
Note: on  the original says »RH«, but »BH« is widely used.