What is on the floor?
The clock is on the floor.
    src        edge_attr  dst
0     1   to the left of    8
1     1  to the right of    2
2     1   to the left of   14
3     1   to the left of   12
4     1  to the right of   11
5     2   to the left of   12
6     2               on    3
7     2   to the left of    1
8     2   to the left of    3
9     3               at   12
10    3  to the right of   11
11    3   to the left of   12
12    3  to the right of    2
13    5   to the left of   10
14    5   to the left of   12
15    6               of   12
16    6  to the right of   10
17    7  to the right of   10
18    8  to the right of    1
19    8  to the right of   14
20    9   to the left of   14
21   10  to the right of    5
22   10   to the left of    7
23   10   to the left of    6
24   10   to the left of   12
25   11   to the left of    1
26   11   to the left of   12
27   11   to the left of    3
28   12               on    0
29   12  to the right of    3
30   12  to the right of    2
31   12  to the right of    5
32   12  to the right of    1
33   12  to the right of   11
34   12  to the right of   10
35   14  to the right of    9
36   14   to the left of    8
37   14  to the right of    1