Dance The Marquis of Huntly's Snuffmill 4193

1-8
: 1s 1/2 turn RH moving down & face up NHJ **while** 2s dance up and in to
  face 1s NHJ. 1s+2s set, circle 4H round to Left to end on sides 2 (1)
  3 4
9-12
: 2s+1s+3s set. 2s+3s cross RH, 2s face down, 3s up **while** 1s turn RH
  to 2nd place opp sides facing out (2) (1) (3)
13-16
: 1s cast (wide) as 3s+2s set to each other on sides. 1s dance down behind
  3s, meet & dance up NHJ to 2nd place **while** 2s+3s change places on
  sides (Men RH, Ladies LH). 3s (at top) face out, 1s up, 2s in
17-19
: 3L+1L+2L dance LH across on Men's side **while** 3M+1M+2M dance RH
  across on Ladies' side
20-24
: Each couple, on meeting, crosses (1s then 2s, then 3s - Ladies dancing
  in front of partner) to join hands across on own side. End 1s dancing
  up middle to 1st place, 2s to 2nd place, 3s dancing down sides to 3rd
  place, ready for ...
25-32
: 1s+2s+3s promenade (3s dance in to meet partner bar 25). Bars 31-32 1s
  cast to 2nd place as 2s dance up to top

{{explanation}}
Note:  Bars 20-24 dancers should maintain shapes of hands across while crossing from one side to other.  Hands are joined for promenade on bar 25