1-8
: 1s followed by 2s+3s lead down the middle, 2s+3s divide, 1s+2s+3s lead
  up remaining in the middle ready for...
9-16
: 1s+2s+3s dance promenade
17-24
: 1s dance in and cast 2 places (2s+3s step up); 1s turn 2H. 2 3 1
25-32
: 2s+3s+1s circle 6H round and back