EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_5_e_7.dimacs

p edge 12 17
e 0 1
e 0 2
e 0 3
e 1 2
e 1 3
e 1 4
e 2 3
e 5 2
e 6 3
e 6 4
e 7 5
e 8 0
e 9 4
e 10 8
e 10 4
e 11 9
e 11 7