Does the ladder appear to be silver?
Yes, the ladder is silver.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of    2
2     1  to the right of    4
3     1  to the right of    3
4     2  to the right of    0
5     2  to the right of    6
6     3  to the right of    5
7     3  to the right of    4
8     3   to the left of    1
9     4  to the right of    5
10    4   to the left of    3
11    4   to the left of    1
12    5   to the left of    4
13    5   to the left of    3
14    5  to the right of    0
15    6           behind    7
16    6   to the left of    2
17    8         covering    8
18    8       covered by    8