Corner Triplet  by Linda Leslie
Proper
A1 Actives down the center as a couple (the lady will be on the LEFT)
       turn alone and return, cast off with the twos
A2  Active couple turn contra corners
B1 Active couple Balance and swing (end face UP)
B2 Separate from each other go down the outside to the bottom
       Lines of three forward and back  (end  2 3 1)

[Easy dance to introduce contra corners]