1-8
: 1s & 4s cross RH & cast in 1 place (2s/3s step up/down); 1s face 2s, 4s
  face 3s & all set, 2s+1s & 4s+3s turn 3/4 RH into 2 lines across &
  retain RH as  1L+2L & 3M+4M join LH in middle
9-16
: All Bal-in-Line, drop LH in middle & 1/2 turn RH to reform lines across
  (1M+2M & 3L+4L join LH in middle); All Bal-in-Line, drop LH in middle
  & turn 1/4 RH to sides. (1) 2 3 (4)
17-24
: All turn partner RH (1s & 4s turn partner 1.1/2 RH to own sides); 1s
  cross & cast (2s step up).  2 (1) 3 4
25-32
: 1s set, cast (3s step up); 1s cross RH, cast (4s step up). 2 3 41