Are there clocks or cones?
No, there are no clocks or cones.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of    7
2     0   to the left of   13
3     3   to the left of   19
4     5  to the right of   13
5     7   to the left of    0
6     7   to the left of   20
7     8   to the left of   18
8     8   to the left of    9
9     9   to the left of   18
10    9  to the right of    8
11   12   to the left of   20
12   12   to the left of    0
13   13  to the right of    0
14   13   to the left of    5
15   13  to the right of   20
16   15   to the left of   18
17   15            above   16
18   18  to the right of   19
19   18  to the right of    8
20   18  to the right of   15
21   18  to the right of    9
22   19       sitting on   21
23   19  to the right of    3
24   19   to the left of   18
25   20  to the right of   12
26   20   to the left of   13
27   20  to the right of    7