1-8
: 1s set, cast 1 place, cross RH & dance round 1st corner RSh to end in
  centre above below 2s/3s
9-16
: 1s dance RH (1L with 2s & 1M with 3s), 2s+3s dance LH across **while**
  1s chase clockwise 1/2 way
17-24
: 1s dance RH across with other couple, 2s+3s dance LH across **while** 1s
  chase 1/2 way clockwise
25-32
: 1s turn in centre to 2nd place opposite sides **while** 2s+3s set &
  cross RH, 2s+1s+3s set & cross back