1-8
: 1s+2s also 3s+4s dance 1/2 R&L & dance 1/2 LSh reels of 4 on sides
  ending with 1s+4s turning RH on sides into line of 4 across (1L+4M
  BtoB)
9-16
: 1M+4M also 1L+4L set & turn RH to end on sides (3 4 1 2) & circle 8H
  round to left 1/2 way
17-24
: All set, 1s & 3s cast up **while** 2s & 4s dance down 1 place & 1s dance
  down to 4th place
25-32
: All turn RH, 2s+3s also 4s+1s dance RH across