What color is the clock?
The clock is white.
    src        edge_attr  dst
0     0  to the right of    9
1     2  to the right of   12
2     2  to the right of    4
3     2   to the left of    3
4     2   to the left of   13
5     2  to the right of   16
6     2   to the left of    7
7     3  to the right of    2
8     3  to the right of   12
9     3  to the right of    8
10    4   to the left of    7
11    4   to the left of    2
12    6  to the right of   11
13    7  to the right of    4
14    7  to the right of    2
15    7               on   10
16    8  to the right of   12
17    8   to the left of    3
18    9   to the left of   17
19    9   to the left of    0
20   11   to the left of    6
21   12   to the left of    3
22   12   to the left of    2
23   12   to the left of    8
24   13  to the right of    2
25   16   to the left of    2
26   17  to the right of    9