On which side is the ski?
The ski is on the right of the image.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    4
2     0  to the right of    1
3     1   to the left of    0
4     1   to the left of    6
5     1   to the left of    5
6     3               on   14
7     4   to the left of    6
8     4   to the left of    5
9     4   to the left of    0
10    5   to the left of    0
11    5  to the right of    1
12    5  to the right of    4
13    6  to the right of    1
14    6  to the right of    4