1-8
: 1s followed by 2s cast to bottom, 1s+2s turn out & 2s followed by 1s
  dance back to top, 2s casting to 2nd places
9-16
: 1s lead down, cross dance out between 2s+3s opposite sides, cast round
  3s, lead up to top, cross & cast on own sides to 2nd places
17-24
: 1s+3s circle 4H round to left, 2s+1s circle 4H round to left
25-32
: 2s+1s dance R&L