Is there a clock on the pole?
Yes, there is a clock on the pole.
    src        edge_attr  dst
0     4          beneath   12
1     4   to the left of    8
2     6  to the right of   10
3     6   to the left of    8
4     7  to the right of    8
5     8  to the right of    4
6     8   to the left of    7
7     8  to the right of    6
8    10   to the left of    6
9    12               on   10
10   12            above    4