Is the pipe silver?
No, the pipe is red.
    src        edge_attr  dst
0     0  to the right of    5
1     1   to the left of   10
2     1   to the left of    5
3     2  to the right of    4
4     3  to the right of    7
5     3  to the right of    6
6     3  to the right of    8
7     4  to the right of    8
8     4   to the left of    2
9     4  to the right of    6
10    4  to the right of    7
11    5  to the right of    1
12    5   to the left of    0
13    6   to the left of    4
14    6   to the left of    3
15    7   to the left of    4
16    7   to the left of    3
17    8   to the left of    4
18    8   to the left of    3
19   10               on    3
20   10  to the right of    1