What is the shape of the coffee table?
The coffee table is rectangular.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   15
2     0  to the right of    9
3     0   to the left of   18
4     1   to the left of    7
5     1   to the left of   13
6     2  to the right of    8
7     2               on   19
8     2  to the right of   11
9     2  to the right of    9
10    3   to the left of    7
11    3   to the left of   13
12    3  to the right of   14
13    3  to the right of    5
14    4   to the left of   18
15    4  to the right of   15
16    4   to the left of    7
17    4  to the right of   11
18    5  to the right of   10
19    5   to the left of    7
20    5  to the right of   12
21    5   to the left of    3
22    6   to the left of    7
23    7  to the right of    3
24    7  to the right of    5
25    7  to the right of    4
26    7  to the right of    6
27    7  to the right of   16
28    7  to the right of    1
29    8   to the left of   18
30    8   to the left of    2
31    9   to the left of    2
32    9               on    8
33    9   to the left of    0
34   10   to the left of    5
35   11   to the left of    4
36   11   to the left of    2
37   11   to the left of   18
38   11   to the left of    0
39   12   to the left of    5
40   13  to the right of    1
41   13  to the right of    3
42   14   to the left of    3
43   15   to the left of    4
44   15   to the left of    0
45   15             with   14
46   15   to the left of   18
47   16       hanging on    1
48   16               on    1
49   16   to the left of    7
50   18  to the right of    8
51   18  to the right of    4
52   18  to the right of   15
53   18  to the right of    0
54   18  to the right of   11