EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_5_p2.dimacs

p edge 9 11
e 0 7
e 0 1
e 2 1
e 3 5
e 3 8
e 4 7
e 4 2
e 5 6
e 6 7
e 6 1
e 8 2