data/cycle/graph_description/easy/graph120.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 9, and the edges are: (9,2) (5,2) (3,9) (2,8) (5,4) (6,1) (5,1) (1,7) (7,0).