EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_9_p5.dimacs

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