1-4
: All set advancing with hands joined, turn partner 2H, remain in centre
  on own sides facing down NHJ
5-8
: All set and "Cross-Link":

: As normal Set+Link for two people, to change places with partner, but 1L
  and 2M, likewise 2L and 3M, and 3L and 4M, dance round each other RSh
  to join partner NHJ facing down
9-16
: All dance down and on bar 12 change sides to face up, Man passing Lady
  under his R arm; all dance up to original places
17-30
: 1s+2s dance 1/2 R&L; 2s cross back RH (bars 21-22) as 1s+3s start 1/2
  R&L (bars 21-24); 3s cross back RH (bars 25-26) as 1s+4s dance 6 bars
  of R&L (Bars 25-30) no polite turns throughout
31-32
: All set