cluster_id	sec_channel
0	2
1	0
2	0
3	1
4	0
5	2
6	0
7	1
8	0
9	0
10	3
11	3
12	3
13	3
14	0
15	3
16	0
17	2
18	3
19	1
20	2
21	1
22	1
23	0
24	3
25	1
26	2
27	0
28	2
29	2
30	0
31	0
32	3
33	1
34	3
35	0
36	1
37	2
38	0
39	2
40	0
41	3
42	2
43	2
44	0
45	2
46	1
47	0
48	3
49	1
50	3
51	0
52	0
53	3
54	1
55	3
56	2
57	3
58	0
59	1