EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_6_p1.dimacs

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