graphprogram/csv/7n.csv

1	0	0	0	0	0	0	0
2	0	0	0	0	1	0	0
3	0	0	0	0	0	0	0
4	0	0	0	0	1	0	0
5	0	1	0	1	0	0	0
6	0	0	0	0	0	0	1
7	0	0	0	0	0	1	0