1-8
: 1s dance Fig of 8 on own side round 2s+3s (dance between 2s to start) &
  end facing 1st corners
9-16
: 1s turn 1st corners RH, pass partner RSh & turn 2nd corners RH, pass
  partner LSh to face own sides for Double Triangles
17-24
: 1s dance Double Triangles
25-32
: 2s+1s+3s dance Grand Chain (2s cross RH to start)