EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_6_p7.dimacs

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