EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_5_sub_5_p1.dimacs

p edge 5 9
e 0 1
e 0 4
e 1 4
e 2 0
e 2 3
e 2 1
e 2 4
e 3 1
e 3 4