Are there any ladders or clocks?
No, there are no clocks or ladders.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    3
2     0   to the left of    4
3     0   to the left of    9
4     0   to the left of   12
5     1               on    0
6     2  to the right of   12
7     2  to the right of    3
8     2  to the right of    9
9     2  to the right of    0
10    2  to the right of    4
11    3   to the left of   12
12    3  to the right of    0
13    3   to the left of    2
14    3  to the right of   10
15    3   to the left of    4
16    3   to the left of    9
17    4  to the right of    3
18    4   to the left of    2
19    4  to the right of    0
20    5   to the left of   11
21    5   to the left of   10
22    5   to the left of    8
23    5   to the left of    7
24    5   to the left of   14
25    7   to the left of   14
26    7  to the right of    5
27    7   to the left of    8
28    7   to the left of   10
29    7   to the left of   11
30    8  to the right of    7
31    8  to the right of    5
32    8   to the left of   10
33    8   to the left of   14
34    8   to the left of   11
35    9  to the right of    3
36    9   to the left of    2
37    9  to the right of    0
38   10  to the right of    7
39   10  to the right of    8
40   10   to the left of    3
41   10   to the left of   14
42   10  to the right of   11
43   10  to the right of    5
44   11  to the right of    8
45   11  to the right of    7
46   11  to the right of    5
47   11   to the left of   10
48   11   to the left of   14
49   12  to the right of    3
50   12   to the left of    2
51   12  to the right of    0
52   14  to the right of    5
53   14  to the right of   10
54   14  to the right of   11
55   14  to the right of    7
56   14  to the right of    8