Are there clocks or windows?
Yes, there are windows.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of    9
2     1   to the left of    4
3     1   to the left of    6
4     2  to the right of    6
5     3  to the right of    6
6     3             near    4
7     4  to the right of    8
8     4  to the right of    7
9     4             near    3
10    4  to the right of    1
11    5  to the right of   12
12    6  to the right of   14
13    6  to the right of    1
14    6   to the left of    2
15    6  to the right of   10
16    6   to the left of    3
17    6  to the right of    7
18    7   to the left of    0
19    7   to the left of    6
20    7   to the left of    4
21    8   to the left of    4
22    8  to the right of   12
23    9   to the left of    0
24   10   to the left of   14
25   10   to the left of    6
26   10  to the right of   13
27   12   to the left of    8
28   12   to the left of    5
29   13   to the left of   10
30   13   to the left of   14
31   14  to the right of   10
32   14  to the right of   13
33   14   to the left of    6