On which side is the container?
The container is on the left of the image.
    src        edge_attr  dst
0     1  to the right of   11
1     1  to the right of    3
2     3   to the left of    1
3     4               on    9
4     4   to the left of   17
5     4   to the left of   14
6     4  to the right of    7
7     5   to the left of   16
8     5   to the left of   12
9     5   to the left of    9
10    5   to the left of   10
11    6  to the right of   13
12    7   to the left of    4
13    7   to the left of   12
14    8   to the left of   14
15    8   to the left of    9
16    9  to the right of    8
17    9  to the right of   16
18    9  to the right of    5
19    9  to the right of   15
20    9  to the right of   13
21    9   to the left of   14
22   10   to the left of   14
23   10  to the right of    5
24   10  to the right of   16
25   11   to the left of    1
26   12  to the right of    7
27   12  to the right of    5
28   12  to the right of   16
29   12   to the left of   14
30   12   to the left of   17
31   13   to the left of    6
32   13   to the left of   14
33   13   to the left of    9
34   14  to the right of   16
35   14  to the right of   12
36   14  to the right of   15
37   14  to the right of   10
38   14  to the right of    9
39   14  to the right of    8
40   14  to the right of    4
41   14  to the right of   13
42   15               on    8
43   15   to the left of    9
44   15   to the left of   14
45   16  to the right of    5
46   16   on the side of    5
47   16   to the left of   12
48   16   to the left of   10
49   16   to the left of   14
50   16   to the left of    9
51   17  to the right of   12
52   17  to the right of    4