EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/nonplanar_K_3_3_e_7_p4.dimacs

p edge 13 16
e 1 2
e 3 6
e 3 0
e 4 12
e 5 1
e 5 11
e 6 2
e 6 11
e 7 10
e 7 4
e 8 10
e 8 11
e 9 1
e 9 0
e 12 0
e 12 2