Does the clock look gray and square?
No, the clock is gray but round.
    src        edge_attr  dst
0     0  to the right of   10
1     1               in    9
2     1  to the right of    5
3     1  to the right of    8
4     2   to the left of    4
5     2  to the right of   10
6     3  to the right of    5
7     3  to the right of    8
8     4  to the right of   10
9     4  to the right of    2
10    5  to the right of   10
11    5   to the left of    3
12    5   to the left of    1
13    8  to the right of   10
14    8   to the left of    1
15    8   to the left of    3
16   10   to the left of    0
17   10   to the left of    5
18   10   to the left of    2
19   10   to the left of    4
20   10   to the left of    8
21   11               on    2