Is the tourist on the left side or on the right?
The tourist is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   13
1     1  to the right of    3
2     1  to the right of    4
3     2  to the right of    9
4     2   to the left of   13
5     3   to the left of    1
6     3               on    4
7     3   to the left of    7
8     4   to the left of    7
9     4   to the left of    1
10    4   to the left of    8
11    4   to the left of    9
12    5  to the right of    6
13    5   to the left of   13
14    6   to the left of   16
15    6   to the left of    5
16    7   to the left of   11
17    7   to the left of   10
18    7  to the right of    4
19    7  to the right of    3
20    7   to the left of   13
21    8  to the right of    4
22    9  to the right of    4
23    9   to the left of    2
24   10  to the right of    7
25   10   to the left of   13
26   11  to the right of    7
27   11   to the left of   13
28   12  to the right of   13
29   12  to the right of   14
30   12  to the right of   17
31   13  to the right of   10
32   13  to the right of    0
33   13  to the right of    2
34   13   to the left of   14
35   13   to the left of   12
36   13  to the right of   11
37   13  to the right of    5
38   13  to the right of    7
39   13            above   15
40   13   to the left of   17
41   14  to the right of   13
42   14   to the left of   12
43   15            below   13
44   16  to the right of    6
45   16   to the left of   17
46   17  to the right of   16
47   17   to the left of   12
48   17  to the right of   13