EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_line_1_p7.dimacs

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