How long is the ski to the left of the other ski?
The ski is short.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    2
2     2   to the left of    3
3     2   to the left of    1
4     2   to the left of    0
5     2   to the left of   10
6     3  to the right of    2
7     4  to the right of    5
8     4  to the right of   15
9     5   to the left of    4
10    5   to the left of   14
11    8   to the left of   13
12    8   to the left of   14
13    8  to the right of   17
14    8  to the right of   11
15    9   to the left of   10
16   10          wearing    0
17   10          wearing    7
18   10          wearing    1
19   10  to the right of    2
20   10  to the right of    9
21   11  to the right of   17
22   11   to the left of   14
23   11   to the left of   13
24   11   to the left of    8
25   11   to the left of   15
26   12   to the left of   15
27   12   to the left of   13
28   13   to the left of   14
29   13  to the right of   12
30   13  to the right of    8
31   13  to the right of   11
32   13  to the right of   17
33   14  to the right of   11
34   14  to the right of   13
35   14  to the right of    8
36   14  to the right of    5
37   14  to the right of   17
38   15            above   16
39   15  to the right of   12
40   15   to the left of    4
41   15  to the right of   11
42   15  to the right of   17
43   17   to the left of   15
44   17   to the left of   11
45   17   to the left of   14
46   17   to the left of    8
47   17   to the left of   13