{{explanation}}
(Longways set for as many as will)

1-8
: 1s+2s dance RH across & LH across back to place
9-16
: 1s slip chassee down middle (2 bars) & back (2 bars) & cast (2s step up)
17-24
: 2s & 1s join RH with partner, balance forward & back, Lady turns under
  Man's raised arm to change sides; repeat joining LH
25-32
: All turn dancer opp to right RH; all turn partner LH

{{explanation}}
Note:  1s remain 1s as they progress down line until reaching bottom.  Crib based on English Country Dance videos