Are there either any helmets or players?
Yes, there is a helmet.
    src        edge_attr  dst
0     0  to the right of    2
1     1   to the left of    3
2     1  to the right of    5
3     1  to the right of    4
4     2  to the right of    4
5     2  to the right of   10
6     2   to the left of    0
7     2  to the right of    5
8     3  to the right of    1
9     3  to the right of    6
10    3  to the right of    7
11    4   to the left of    2
12    4   to the left of    1
13    4   to the left of   11
14    5   to the left of   11
15    5   to the left of    2
16    5   to the left of    1
17    6  to the right of    9
18    6   to the left of    3
19    7   to the left of    3
20    9   to the left of    6
21   10   to the left of    2
22   11  to the right of    5
23   11  to the right of    4