EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_K_4_e_7_p4.dimacs

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