Form large circle all facing in, W on R of M
Couples in circle RR in Ballroom hold, men on inside
Note: Cosh explicitly tells 1c to pass Lsh in [9-24]; however the Rsh pass is quite common, and nicknamed »Mairi's Divorce«.
on  2c may sneak a little on bar 25 but not more.
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