EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_6_p0.dimacs

p edge 10 12
e 0 7
e 0 6
e 1 9
e 1 3
e 2 3
e 2 6
e 4 5
e 5 6
e 7 3
e 8 7
e 8 5
e 9 4