Do you see a clock on the white wall?
Yes, there is a clock on the wall.
    src        edge_attr  dst
0     0               on    4
1     0   to the left of    2
2     0  to the right of    1
3     0   to the left of    3
4     1   to the left of    3
5     1   to the left of    0
6     1               on    4
7     2  to the right of    7
8     2  to the right of    6
9     2  to the right of    0
10    2               on    4
11    2  to the right of    5
12    2  to the right of    3
13    3  to the right of    1
14    3  to the right of    0
15    3               on    4
16    3   to the left of    2
17    3  to the right of    8
18    3  to the right of    7
19    5   to the left of    2
20    5               on    4
21    5  to the right of    6
22    6               on    4
23    6   to the left of    2
24    6   to the left of    5
25    7   to the left of    3
26    7  to the right of    8
27    7               on    4
28    7   to the left of    2
29    8   to the left of    7
30    8   to the left of    3
31    8               on    4