data/cycle/graph_description/medium/graph1040.txt

In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge.
The nodes are numbered from 0 to 12, and the edges are: (4,10) (0,5) (7,5) (7,1) (6,2) (8,10) (12,7) (3,4) (10,5) (11,2) (2,0) (9,8) (1,0) (0,6).