1-8
: 1L sets to 1M (who does not set) casts to 4th place (2L+3L+4L step up
  5-6) 1L sets to 4M (who does set)
9-16
: Diagonal reels of 4 across (1M+3L also 3M+1L pass LSh as 2M & 4M dance
  up, 2L & 4L dance down)
17-24
: 1M casts to 4th place (2M+3M+4M step up 19-20) & 1M set to 1L & they
  turn RH to face 4L (1L following partner)
25-36
: 1/2 RSh alternating tandem reels of 3 across: 1s with 4s, 1s with 3s, 1s
  with 2s
37-40
: 1L followed by 1M casts behind Men, cross at 4th place to own side as
  2s, 3s, & 4s cross up (Lady in front of Man)
41-48
: 2s+3s dance RH across as 4s+1s dance LH across, 2s+3s dance LH across as
  4s+1s dance RH across