Which side is the brick tower on?
The tower is on the left of the image.
    src         edge_attr  dst
0     0    to the left of   17
1     0    to the left of    2
2     1    to the left of   18
3     1   to the right of    6
4     2   to the right of   19
5     2   to the right of    0
6     4   to the right of   14
7     4   to the right of   13
8     5    to the left of   18
9     5   to the right of    6
10    6    to the left of    1
11    6    to the left of   18
12    6    to the left of    5
13    7    to the left of   22
14    7   to the right of   16
15    7   to the right of   20
16    8   to the right of   10
17    9   to the right of   11
18   10    to the left of    8
19   11    to the left of    9
20   12    to the left of   20
21   12                of   21
22   12    to the left of   16
23   12    to the left of   14
24   13    to the left of    4
25   13   to the right of   14
26   14    to the left of    4
27   14   to the right of   12
28   14    to the left of   13
29   15   to the right of   21
30   15   to the right of   22
31   16   to the right of   12
32   16    to the left of    7
33   16  on the bottom of   12
34   17                on   21
35   17   to the right of    0
36   17   to the right of   19
37   18   to the right of    1
38   18    to the left of   20
39   18   to the right of    6
40   18   to the right of    5
41   19    to the left of   17
42   19    to the left of    2
43   20    to the left of   22
44   20   to the right of   18
45   20   to the right of   12
46   20    to the left of    7
47   21    to the left of   15
48   22    to the left of   15
49   22   to the right of   20
50   22   to the right of    7