1-4
: 1s & 4s 1/2 turn partner RH, 1s face down, 4s face up; 1s & 4s advance
  towards each other (2s & 3s step down/up 3-4)
5-8
: 1s+4s circle 4H round to left, pull back LSh to face corners
  (1L+2M, 1M+2L, 4L+3M, 4M+3L)
9-16
: All dance Double Diag reels of 4 (1/2 LH across in middle) & end facing
  with 1s & 4s facing corners
17-20
: All set; 1s & 4s turn 2s & 3s (1L+2M, 4M+3L RH, 1M+2L, 4L+3M LH).
  (1) 2 3 (4)
21-24
: All set on sides, All turn partners 2H (1s & 4s 3/4 turn, 2s & 3s once
  round) ready for ...
25-32
: 1s+2s also 3s+4s dance 1/2 Poussette; 1s+4s dance 1/2 Poussette.
   2 4 1 3