EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_7_p8.dimacs

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