DOT language files of connected graphs which have r vertices and correspond to sufficient statistics
graph(r=1) graph(r=2) graph(r=3) graph(r=4) graph(r=5)
DOT language files of the connected graphs and their fiber
fiber_and_graph(r=1) fiber_and_graph(r=2) fiber_and_graph(r=3) fiber_and_graph(r=4) fiber_and_graph(r=5)