1-4
: 1L followed by partner, casts 2 places to 3rd place opposite sides
  (2s+3s step up bars 3-4)
5-8
: 1s+4s dance LH across, 1L finishes facing out
9-12
: 1L followed by partner casts up 2 places to original places
13-16
: 1s+2s dance RH across
17-24
: All set, all 1/2 turn partner 2H. 1s+2s also 3s+4s dance 4H round to
  left to finish on opposite sides (1) (2) (3) (4)
25-32
: 1L & 2M changes places LH, 1M & 2L also 1L & 3L change places RH, 1M
  & 3M also 1L & 4M change places LH, 1M & 4L changes places RH.
   2 3 4 1