Is the clock on the side of the building both round and black?
No, the clock is round but white.
    src        edge_attr  dst
0     2   on the side of    3
1     6  to the right of   10
2     7   to the left of   10
3     7   on the side of    3
4     8            above    6
5     8            above    7
6     8            above    1
7     8            above    2
8     8            above   10
9     8        on top of    3
10    9  on the front of    8
11    9   on the side of    3
12    9            above   10
13   10            below    9
14   10   to the left of    6
15   10  to the right of    7