EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_7_p9.dimacs

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