A1 First lady leads line of ladies behind men's line, to bottom of set
and back up their side to original places
A2 First man similarly with line of men
B1 First couple take 2-hand hold, galop down the set and return
B2 All other couples make a 'tunnel' of 2-hand arches. First couple go
through the tunnel to the bottom of the set. Other couples move up
one place and swing partners.