EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_9_p1.dimacs

p edge 13 15
e 0 6
e 0 5
e 3 6
e 3 1
e 4 2
e 7 4
e 7 1
e 8 5
e 8 12
e 9 10
e 9 12
e 10 5
e 10 2
e 11 2
e 11 12