1-8
: 1s cross RH & change places LH with 2s; 1s cross RH & change places LH
  with 3s.  2 3 1 4
9-16
: 1s cross RH & change places LH with 4s; all 4 couples turn partner RH
  (or birl).  2 3 4 (1)
17-24
: 1s set & cross up RH to 3rd place (4s step down); 1s set & cross up LH
  to 2nd place (3s step down)
25-32
: 1s set & cross up RH to 1st place (2s step down); all 4 couples turn
  partner RH (or birl).  1 2 3 4
33-40
: 1s+2s dance 1/2 RH across, 1s+3s dance 1/2 LH across; 1s+4s dance 1/2 RH
  across, all 4 couples 1/2 turn partner RH (or birl).  2 3 4 1