365791.fig.005a
(a)
365791.fig.005b
(b)
365791.fig.005c
(c)
365791.fig.005d
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365791.fig.005e
(e)
365791.fig.005f
(f)
Figure 5: The series of images shows how a swarm in a knot formation expands to two sides. Eventually, two flocks emerge and head into opposing directions.