EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_9_p2.dimacs

p edge 13 15
e 0 12
e 0 4
e 1 11
e 1 6
e 3 2
e 3 4
e 8 5
e 8 7
e 9 5
e 9 6
e 10 7
e 10 4
e 11 2
e 12 7
e 12 2