On which side is the box?
The box is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    8
1     1  to the right of    2
2     2  to the right of   11
3     2   to the left of    1
4     2   to the left of   12
5     2  to the right of    6
6     2  to the right of    7
7     2  to the right of    9
8     3  to the right of    6
9     3  to the right of    7
10    3  to the right of   11
11    6   to the left of    3
12    6   to the left of    2
13    7   to the left of    3
14    7   to the left of    2
15    8   to the left of    1
16    8   to the left of   12
17    8  to the right of   11
18    9   to the left of    2
19   10  to the right of   11
20   11   to the left of    8
21   11   to the left of    2
22   11   to the left of    3
23   11   to the left of   10
24   12  to the right of    2
25   12  to the right of    8