Is the blue tower on the right side or on the left of the image?
The tower is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   10
2     1   to the left of   13
3     1  to the right of    9
4     2  to the right of    9
5     2   to the left of   13
6     3  to the right of   11
7     4        on top of   11
8     4  to the right of    9
9     4   to the left of   13
10    5  to the right of   15
11    5   to the left of    6
12    6  to the right of    7
13    6  to the right of    5
14    7  to the right of   15
15    7   to the left of    6
16    9   to the left of    4
17    9   to the left of    1
18    9   to the left of    2
19   10   to the left of    0
20   10  to the right of   11
21   11  to the right of   15
22   11   to the left of    3
23   11   to the left of    0
24   11   to the left of   10
25   13  to the right of    4
26   13  to the right of    2
27   13  to the right of    1
28   15   to the left of    7
29   15   to the left of    5
30   15   to the left of   11