EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_6_p3.dimacs

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