EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_5_e_8.dimacs

p edge 13 18
e 0 1
e 0 2
e 0 3
e 1 2
e 1 4
e 5 2
e 5 4
e 7 3
e 8 6
e 8 2
e 9 0
e 9 4
e 10 6
e 10 3
e 11 7
e 11 4
e 12 1
e 12 3