1-8
: 1s lead down the middle for 3, back to top & cast to 2nd place
9-16
: 1s dance 1/2 Diag R&L (Man down, Lady up) & circle 3H round to left part
  way (Man with Ladies in top place & Lady with Men 3rd pl) with 3L & 2M
  leading their circles clockwise down/up own sides to end 2 (1) 3
17-24
: 1s dance 1/2 Diag R&L & circle 3H round to right part way (Man with Men
  at top, Lady with Ladies) with 2L & 3M leading their circles
  anticlockwise up/down own sides to end 2 1 3
25-32
: 2s+1s+3s set, turn partners 2H & set