I found a square sequence I wrote a while ago?  

Does it exist in trad-dance circles?

Heads R&L Thru (8), Hds Pass Thru, Sep @1 into middle and Bx Gnat. (12)

Same 4 RH Star (8) to corner Alle Left (6)

P DSD (6), Corner Swg (8)

Full Promenade (16)