What is the person doing?
The person is walking.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    7
2     0   to the left of   16
3     0   to the left of   11
4     0   to the left of    3
5     0   to the left of    2
6     0   to the left of    5
7     0   to the left of    4
8     1               on   15
9     2   to the left of   14
10    2  to the right of    9
11    2  to the right of    0
12    3  to the right of    4
13    3  to the right of    0
14    3   to the left of   14
15    3   to the left of   10
16    4   to the left of   11
17    4   to the left of   12
18    4  to the right of   16
19    4  to the right of    0
20    4   to the left of    5
21    4   to the left of    3
22    5  to the right of   12
23    5  to the right of   16
24    5               by   10
25    5               by    1
26    5  to the right of    0
27    5  to the right of    4
28    5   to the left of   10
29    6               on    7
30    6   to the left of   14
31    7  to the right of    9
32    7  to the right of    0
33    7   to the left of   14
34    7   to the left of   10
35    8  to the right of    0
36    8               on    4
37    9   to the left of    2
38    9   to the left of    7
39   10  to the right of    3
40   10  to the right of    5
41   10  to the right of    7
42   10  to the right of   11
43   11   to the left of   10
44   11  to the right of   16
45   11  to the right of    0
46   11  to the right of    4
47   12   to the left of    5
48   12  to the right of    4
49   14  to the right of    6
50   14  to the right of    3
51   14  to the right of    7
52   14  to the right of    2
53   16   to the left of   11
54   16  to the right of    0
55   16   to the left of    4
56   16   to the left of    5