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