1-8
: 1s dance Fig of 8 on own sides (1s in/down to start, taking nearer hands
  where possible)
9-16
: 1s join 2H & slip step down & back to top, remaining in middle facing up
17-24
: 1s cast to 2nd place (2s step up bars 19-20); 2s+1s dance DoSiDo
25-32
: 2s+1s dance RH across & LH back