1-8
: 1s cross to 2nd place opposite sides, 1s+3s set, 1s cross to 1st place
  own sides & cast 1 place
9-16
: 1s dance reels of 3 across 1L with 2s & 1M with 3s
17-24
: 1s cross down & cast up round 3s on opposite sides to meet in centre
  facing 2s, turn 2s by nearer hand end facing 3s
25-32
: 1s turn 3s by nearer hand, cross up & cast down to 2nd place on own
  sides