A ROUND DOZEN
A square for twelve; ideally four men with two partners each
Ron Coxall (Stowmarket, UK) via Barrie Bullimore on trad-dance-callers
32-bar jigs

A1  All to the centre & back; 
    all in again, ends fall back as the middles turn to face them.
A2  Middles do si do right hand partner; 
    middles  do si do (or see saw?) left hand partner.
B1  Right hand stars for each threesome; 
    middles star left in the centre.
B2  Circles of three to the left once round, 
    the two ends make an arch and the middle passes thru going left 
    (counter clockwise) to the next two ends.

[APW: After you've done it a bit you can mix it up on B2]