Are there clocks in the image?
Yes, there is a clock.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    9
3     1   to the left of    5
4     1  to the right of    0
5     2  to the right of    0
6     3   to the left of    4
7     4  to the right of    3
8     5  to the right of    1
9     5  to the right of    9
10    6           behind    8
11    8      in front of    6
12    9   to the left of    5
13    9  to the right of    0