cluster_id	sec_channel
0	2
1	0
2	0
3	3
4	2
5	1
6	3
7	0
8	1
9	1
10	2
11	2
12	1
13	2
14	0
15	3
16	3
17	1
18	0
19	0
20	0
21	2
22	0
23	0
24	0
25	0
26	2
27	2
28	2
29	1
30	0
31	0
32	0
33	0