1-8
: 1s lead down, cross below 4s; 1s cast up to 1st place opp side.
  (1) 2 3 4
9-16
: 1L followed by 2M+3M+4M chase clockwise round outside of set
17-24
: 1M followed by 2L+3L+4L chase anticlockwise round outside of set
25-32
: 1s cross RH, cast to 4th place (2s+3s+4s step up); all turn partner RH.
   2 3 4 1