1-8
: 1s & 3s cross RH & cast 1 place, 2s+1s also 4s+3s dance RH across 1/2
  way & all set.  1(2)3(4)
9-12
: All cross RH & 1s+2s also 3s+4s change places LH on sides.  2(1)4(3)
13-16
: All cross RH & 1s+4s change places LH on sides **while** 2s+3s (end
  couples) change places LH on sides (dancing outsides 1s+4s).  3(4)1(2)
17-20
: All cross RH & 3s+4s also 1s+2s change places LH on sides.  4(3)2(1)
21-24
: All cross RH & 3s+2s change places LH on sides **while** 4s+1s (end
  couples) change places LH on sides (dancing outsides 3s+2s).  1(2)3(4)
25-32
: 1s dance in as 2s+4s cross RH, 1s cast to bottom as 2s+3s+4s step up