EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_7_p1.dimacs

p edge 11 13
e 0 3
e 0 5
e 1 2
e 1 5
e 4 9
e 6 8
e 6 2
e 7 9
e 7 5
e 8 3
e 9 3
e 10 4
e 10 2