EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_8_p3.dimacs

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