1-4
: 1M+3L turn 3/4 RH, retain hands, join LH with 4th corners (1M+3M, 3L+1L)
  & all Bal-in-Line (2M &2L step up/down 3-4)
5-8
: 1M & 3L change places LH with corners who join RH in centre & all
  Bal-in-Line
9-12
: 2M+3L+1L & 2L+1M+3M dance LH across
13-16
: 2M followed by 3L+1L & 2L followed by 1M+3M chase anticlockwise into
  lines across, 2M+3L+1L facing up, 2L+1M+3M facing down
17-20
: All Adv+Ret
21-24
: 1M+3L set advancing, pass RSh to end BtoB in centre & join hands as in
  Double Triangles & all set. Bar 24: 1s pull back RSh to take prom hold
  with partner facing clockwise
25-28
: 2s turn 1.1/2 RH to original places & face out **while** 3s & 1s
  promenade clockwise round to end 1s in middle at top facing down NHJ
  & 3s in original places
29-32
: 2s dance up to top **while** 1s dance down to 2nd place. End 2 1 3