EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_5_e_8_p7.dimacs

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