Node	Second smallest eigenspectra of laplacian matrix
1	-0.000000
2	-0.160361
3	-0.613154
4	0.773516
5	0.000000
6	-0.000000
7	0.000000
8	0.000000
9	0.000000
10	0.000000
11	-0.000000
12	-0.000000