EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_5_p8.dimacs

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