sample.graph

# FromNodeId	ToNodeId
0	1
0	3
1	0
1	2
1	3
1	4
2	1
2	3
2	4
2	10
3	0
3	1
3	2
3	4
3	5
4	2
4	3
4	5
4	8
5	3
5	4
5	6
5	7
6	5
7	5
7	8
7	9
8	4
8	7
8	9
8	10
9	7
9	8
10	2
10	8