Is the vest different in color than the pole?
No, both the vest and the pole are black.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of    7
2     2   to the left of    3
3     3  to the right of    2
4     4   to the left of    7
5     5   to the left of    9
6     5  to the right of   11
7     7   to the left of   12
8     7  to the right of    1
9     7               on   10
10    7  to the right of    4
11    9  to the right of    5
12   10   to the left of   12
13   11  to the right of    1
14   11   to the left of    5
15   12  to the right of    7
16   12  to the right of   10