EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/graph/test/planar_input_graphs/planar_line_1_p6.dimacs

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