1-8
: 2s followed by 1s lead down, 1s followed by 2s lead up to top & 1s cast
  to 2nd place
9-16
: 2s+1s+3s dance Grand Chain
17-24
: 1s dance 1/2 Fig of 8 round 3s (giving RH) & 1/2 Fig of 8 round 2s
  (giving RH)
25-32
: 1s dance RH across (Lady with 2s & Man with 3s) & dance LH across with
  other couple