data/connectivity/graph_description/easy/graph138.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: (4,1) (3,7) (8,0) (8,9) (8,5) (2,0) (6,3) (8,1) (5,6).