EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_5_e_8_p9.dimacs

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