1-4
: 1s dance down NHJ to 3rd place under arch made by 4s dancing up, 1s+3s
  & 4s+2s turn 3/4 with free hand to sides 2 4 1 3
5-8
: 1s+4s dance DoSiDo with partners
9-12
: All dance 3/4 Grand Chain (3 hands, 4 bars) end couples cross, middle
  couples change places RH on side to start (1) (3) (2) (4)
13-16
: 2s+3s dance DoSiDo with partners
17-24
: 1s+3s also 2s+4s Set+Link; all dance 1/2 RSh reel of 4 on sides (2) (4)
  (1) (3)
25-32
: 2s+4s also 1s+3s turn 1.1/2 RH (birl) on sides (4) (2) (3) (1); all
  set, 4s & 1s cast down/up 1 place **while** 2s & 3s step up/down. (2)
  (4) (1) (3)

{{explanation}}
Dance is repeated from opposite sides with set inverted, 3s starting as 'new top'