Is the roof on top of a house?
No, the roof is on top of the clock.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    6
2     0  to the right of    3
3     0             near    3
4     1   to the left of    3
5     1   to the left of    2
6     2  to the right of    1
7     3             near    6
8     3             near    5
9     3             near    0
10    3   to the left of    0
11    3  to the right of    1
12    3   to the left of    6
13    3  to the right of    9
14    5             near    3
15    6  to the right of    0
16    6  to the right of    3
17    6             near    3
18    8   to the left of    0
19    9   to the left of    3
20   11        on top of    3