cluster_id sec_channel
0 2
1 3
2 0
3 0
4 2
5 1
6 0
7 2
8 0
9 0
10 3
11 0
12 0
13 0
14 1
15 0
16 0
17 0
18 0
19 3
20 0
21 0
22 0
23 2
24 0
25 1
26 0
27 0
28 2
29 2
30 1
31 0
32 0
33 0
34 0
35 0