data/connectivity/graph_description/easy/graph130.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: (5,4) (0,1) (8,9) (9,0) (4,6) (3,1) (6,8) (7,6) (2,4).