EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_5_e_7_p2.dimacs

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