{{explanation}}
2 chords - on 2nd chord 2s & 4s cross to opposite sides

1-8
: 1L+2L also 3L+4L set to each other & change places RH, Men repeat.  2
  (1) 4 (3)
9-16
: 2s+1s also 4s+3s dance RH across, 1s+4s dance LH across **while** end
  couples chase clockwise to other end of set.  3 (1) 4 (2)
17-24
: 3s+1s also 4s+2s dance Men's Chain across dance
25-32
: All circle 8H round & back