EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_8_p5.dimacs

p edge 12 14
e 0 6
e 1 3
e 2 9
e 2 1
e 4 11
e 4 6
e 5 0
e 5 7
e 7 9
e 8 3
e 9 3
e 10 1
e 10 8
e 11 8