Is it outdoors?
No, it is indoors.
    src        edge_attr  dst
0     0   to the left of   17
1     0  to the right of    4
2     1   to the left of   17
3     1   to the left of    3
4     2  to the right of    4
5     2   to the left of    3
6     3  to the right of    6
7     3  to the right of    2
8     3  to the right of   14
9     3  to the right of   10
10    3  to the right of   13
11    3  to the right of   16
12    3  to the right of    7
13    3  to the right of    1
14    4   to the left of    0
15    4   to the left of    7
16    4   to the left of    2
17    4   to the left of   13
18    4   to the left of   14
19    4   to the left of    6
20    4   to the left of   16
21    5  to the right of    7
22    5  to the right of   16
23    5  to the right of   14
24    6  to the right of    4
25    6   to the left of    3
26    7  to the right of    4
27    7   to the left of    5
28    7   to the left of   12
29    7   to the left of    3
30   10   to the left of    3
31   10   to the left of   17
32   12  to the right of   14
33   12  to the right of    7
34   12  to the right of   16
35   13  to the right of    4
36   13   to the left of    3
37   14  to the right of    4
38   14  to the right of   16
39   14   to the left of   12
40   14   to the left of    3
41   14   to the left of    5
42   16   to the left of   14
43   16   to the left of    3
44   16   to the left of    5
45   16  to the right of    4
46   16   to the left of   12
47   17  to the right of    1
48   17  to the right of   10
49   17  to the right of    0