# NOT RUN {
g <- loongraph(
nodes = c("A", "B", "C", "D"),
from = c("A", "A", "B", "B", "C"),
to = c("B", "C", "C", "D", "D")
)
# }
# NOT RUN {
# create a loon graph plot
p <- l_graph(g)
# }
# NOT RUN {
lg <- linegraph(g)
# }
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