I have had this circle mixer in my box since before 1990, and have long ago lost its name or origin.  Could any of you help?  It has served me well many many times.

Formation:  Circle of couples

A1    Forward and Back
        Forward again, just the gents come back (ladies turn to face out)
A2  All turn right, promenade single file (ladies clockwise, gents CCW)
      Return
B1  Partner (the last one you swung) dosido
      Corner Allemande left, pass partner by the right
B2  New Partner B and S

Richard