The chains are on what?
The chains are on the goal.
    src        edge_attr  dst
0     0   to the left of    6
1     1   to the left of   10
2     1   to the left of    3
3     1   to the left of    7
4     1   to the left of    6
5     2   to the left of    6
6     2   to the left of    7
7     3               on    6
8     3   to the left of   12
9     3  to the right of   10
10    3  to the right of    1
11    3  to the right of    9
12    3  to the right of    5
13    4            below    6
14    4            below    9
15    4            below   12
16    5   to the left of    6
17    5   to the left of    3
18    5   to the left of   10
19    5   to the left of    7
20    6  to the right of    8
21    6  to the right of    9
22    6  to the right of   10
23    6  to the right of   11
24    6               on    7
25    6  to the right of    1
26    6  to the right of    0
27    6  to the right of    5
28    6  to the right of    2
29    7  to the right of    1
30    7  to the right of    2
31    7  to the right of    5
32    7  to the right of    9
33    8   to the left of    6
34    9   to the left of    3
35    9          wearing    1
36    9   to the left of   12
37    9   to the left of   10
38    9   to the left of    7
39    9   to the left of    6
40    9         throwing   10
41    9          wearing    8
42   10   to the left of   12
43   10  to the right of    9
44   10   to the left of    6
45   10  to the right of    5
46   10   to the left of    3
47   10  to the right of    1
48   11   to the left of    6
49   12  to the right of    9
50   12  to the right of   10
51   12  to the right of    3
52   13               on    4