[Triplet, PROPER: Couples #1
(also called Active couple)
#2#3]
abc
123
Top two couples turn partner
by-the-R 1.5(8)
12c
ab3.
Top two couples rights-and-lefts across(8)
bac
213.
Active-couple
[in middle place] turn contra-corners(4+4+4+4).
Active-couple bal&swing(4+12), end facing up, in
middle bac
213.
Original active-couple lead up to the top and
cast [around the outside] to the bottom(8).
[Other couples scootch up a bit]
All dosido partner(8) bca
231.
Dave Bateman.