EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_6_p9.dimacs

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