How big are the books that are on the table?
The books are large.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   10
2     1   to the left of    8
3     1   to the left of    4
4     1   to the left of   21
5     2  to the right of    5
6     2               on   15
7     3   to the left of   13
8     3  to the right of    9
9     3   to the left of   19
10    3  to the right of   16
11    3   to the left of   20
12    4     hanging from    6
13    4  to the right of    1
14    5               on   15
15    5   to the left of    2
16    7  to the right of   11
17    7   to the left of   12
18    7  to the right of   18
19    8  to the right of    1
20    8   to the left of   12
21    8  to the right of   21
22    9   to the left of   13
23    9   to the left of    3
24   10  to the right of    0
25   11               in   16
26   11   to the left of    7
27   12  to the right of    7
28   12  to the right of   21
29   12  to the right of    8
30   13  to the right of    3
31   13  to the right of    9
32   13  to the right of   16
33   13           behind   15
34   14               on   15
35   15  to the right of   17
36   15      in front of   13
37   15  to the right of    0
38   16   to the left of    3
39   16   to the left of   13
40   17   to the left of   15
41   18               on    1
42   18   to the left of    7
43   19  to the right of   20
44   19  to the right of    3
45   19               on   13
46   20               on   13
47   20  to the right of    3
48   20   to the left of   19
49   21   to the left of   12
50   21  to the right of    1
51   21   to the left of    8