EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_5_sub_4_p0.dimacs

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