1-4
: 1s cross RH, cast to 2nd place (2s step up bars 3-4).
5-16
: 2s+1s+3s dance 3 couple R&L to finish 1s facing 1st corners
17-24
: 1s & 1st corners set. 1s dance RSh round each other to face 2nd
  corners. 1s & 2nd corners set. 1s dance RSh round each other to 2nd
  place own sides. 2 1 3
25-32
: All dance 6H round & back