Is the factory on the left side?
No, the factory is on the right of the image.
    src        edge_attr  dst
0     0   to the left of   10
1     1  to the right of    4
2     1   to the left of   10
3     1  to the right of    3
4     2  to the right of   15
5     3   to the left of    1
6     3   to the left of    4
7     4   to the left of    5
8     4   to the left of    9
9     4  to the right of    3
10    4   to the left of   16
11    4   to the left of    8
12    4   to the left of    1
13    5  to the right of   16
14    5  to the right of    8
15    5  to the right of    9
16    5   to the left of    6
17    5  to the right of    4
18    5               by    1
19    6  to the right of    8
20    6  to the right of    5
21    6               by    1
22    6   to the left of   15
23    8   to the left of    6
24    8   to the left of    5
25    8  to the right of    4
26    9   to the left of    5
27    9  to the right of    4
28    9   to the left of   11
29   10  to the right of    1
30   10  to the right of    0
31   11  to the right of   16
32   11  to the right of    9
33   15   to the left of    2
34   15  to the right of    6
35   16   to the left of   11
36   16   to the left of    5
37   16  to the right of    4