{{explanation}}
3s+4s start on opp sides

1-4
: 1s dance down, 4s dance up 1 place **while** 2s cast up, 3s cast down.
  1s+4s circle 4H 1/2 round to Left
5-8
: 4s+1s turn partner 2H to finish NHJ 4s facing up, 1s facing down
9-12
: 4s+1s take prom hold with partner & dance 1/2 reels of 3 across (4s pass
  2L RSh, 1s pass 3L RSh). Drop hands bar 12, 1M+4L face up, 4M+1L down
  in prom hold
13-16
: 1/2 reels of 3 across (1M+4L pass 2L LSh, 4M+1L pass 3L LSh). Drop hands
  bar 16, join hands in prom hold with partner, 1s facing up 4s facing
  down
17-20
: 1/2 reels of 3 across (1s pass 2L RSh, 4s pass 3L by RSh) Bar 20 1s end
  on Ladies' side, 4s on Men's side
21-24
: 2M+1L & 4L+3M turn RH **while** 2L+4M & 1M+3L turn LH
25-32
: 1s+4s dance the Tournée. Begin bar 25 taking prom hold dancing into
  centre. Finish on sidelines 2 4 1 3
33-40
: 1s+4s dance 1/2 RH across **while** 1s+3s dance 1/2 LH across. All set.
  4s+2s dance 1/2 LH across **while** 3s+1s dance RH across. All set
41-44
: 2s dance 1/2 Fig 8 crossing down to start **while** 4s cast up one place
  & dance down one place **while** 1s+3s dance 1/2 double Fig 8 (1s
  cast, 3s cross up to start)
45-48
: 2L+4L & 1L+3L turn LH **while** 2M+4M & 1M+3M turn RH