1-8
: All circle 8H round & back
9-16
: 1s+3s change places, 1s dancing under arch made by 3s & set; 3s+1s
  change places (1s making arch) & set
17-24
: 2s+4s repeat bars 9-16 (4s making 1st arch)
25-32
: Ladies dance RH across & Men dance LH across 1.1/4 times to meet new
  partner
33-40
: All Promenade anticlockwise round set