Id Level1 Level2 Level3 Level4
1 1
2 2
3 1
4 1 1
5 2 1
6 2
7 1 2
8 2 2
9 1
10 1 1
11 2 1
12 1 1
13 1 1 1
14 2 1 1
15 2 1
16 1 2 1
17 2 2 1
18 2
19 1 2
20 2 2
21 1 2
22 1 1 2
23 2 1 2
24 2 2
25 1 2 2
26 2 2 2
27 1