EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_8_p4.dimacs

p edge 12 14
e 0 10
e 2 9
e 2 3
e 3 1
e 4 5
e 6 10
e 6 9
e 7 8
e 7 5
e 8 3
e 9 1
e 10 1
e 11 4
e 11 0