{{explanation}}
3s & 4s on opp sides

1-8
: 1s & 4s cross RH & cast in 1 place, set & dance 1/2 LH across end giving
  RH to nearest corner
9-16
: All Balance in St Andrews cross formation & 4s also 1s turn corners into
  centre, balance & turn corners back to places & end facing corners
17-24
: 4s & 1s dance DoSiDo with corners, 4s & 1s dance RSh round corner back
  into middle
25-32
: 4s+1s dance RH across & end 1s facing down & 4s up, dance out ends
  crossing & cast in 1 place. 2 4(1)(3)