data/cycle/graph_description/medium/graph1015.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 11, and the edges are: (11,6) (4,3) (0,2) (10,1) (9,6) (2,7) (1,11) (0,3) (7,4) (7,0) (5,4) (0,1) (10,7) (8,1).