EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_5_p1.dimacs

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