What place is it?
It is a display.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of   13
2     0               on    6
3     0   to the left of    1
4     1   to the left of   10
5     1   to the left of    7
6     1  to the right of    0
7     2   to the left of   13
8     2  to the right of    0
9     3   to the left of    7
10    3   to the left of   10
11    3   to the left of   11
12    4               on    5
13    4  to the right of   15
14    7  to the right of    1
15    7  to the right of   12
16    7  to the right of    3
17    9               on   15
18   10  to the right of    3
19   10  to the right of    1
20   10               on    7
21   11  to the right of    3
22   11  to the right of   13
23   12               on    1
24   12   to the left of    7
25   13  to the right of    0
26   13  to the right of    2
27   13   to the left of   11
28   15   to the left of    4