1-16
: 1s set & cast 1 place, top 3 Men & bottom 3 Ladies dance 3 couple Diag
  R&L
17-24
: Top 3 Ladies & bottom 3 Men dance interlocking reels of 3 on Diagonal
  between 1L & 4M positions with outer 2 dancers (1L+2L also 3M+4M at
  start) passing LSh & centre dancers (2M+3L at start) turning RH into
  their reels of 3, all end on sides
25-32
: 1s+3s dance RH across 1/2 way then 1s+4s dance LH across 1/2 way, all
  set & turn RH to own sides.
33-40
: All circle 8H round & back.  2 3 4 1