Is the ski orange or maybe gray?
The ski is orange.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of    8
2     2   to the left of   11
3     2   to the left of    4
4     2   to the left of   16
5     2   to the left of   10
6     2   to the left of    3
7     2   to the left of   14
8     3   to the left of   11
9     3  to the right of    2
10    4  to the right of    2
11    6   to the left of    8
12    6   to the left of   15
13    8  to the right of    6
14    8  to the right of    0
15   10  to the right of   16
16   10  to the right of   12
17   10  to the right of   14
18   10  to the right of    2
19   11  to the right of    3
20   11  to the right of    2
21   12   to the left of   10
22   14   to the left of   10
23   14  to the right of    2
24   15  to the right of    0
25   15  to the right of    6
26   16  to the right of    2
27   16   to the left of   10