(nodes 0 1 2 3 4 5 6 7 8 9)
(edge 0 0 1)
(edge 1 1 2)
(edge 2 2 3)
(edge 3 3 4)
(edge 4 4 5)
(edge 5 5 6)
(edge 6 6 7)
(edge 7 7 8)
(edge 8 8 9)
(edge 9 9 0)
(edge 10 0 5)
(edge 11 2 7)
(edge 12 4 9)
