How large is the bed?
The bed is small.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    5
3     0   to the left of   10
4     1  to the right of   11
5     1  to the right of   12
6     1  to the right of   10
7     1  to the right of    2
8     1  to the right of    0
9     1  to the right of    5
10    1  to the right of    3
11    2               on   10
12    2  to the right of    0
13    2   to the left of    1
14    3   to the left of    1
15    3   to the left of    5
16    3   to the left of   11
17    4  to the right of   10
18    4           inside    8
19    4  to the right of    9
20    4  to the right of   12
21    5   to the left of    6
22    5  to the right of    0
23    5  to the right of    3
24    5   to the left of    1
25    5  to the right of   11
26    6  to the right of   12
27    6  to the right of    5
28    6               on    4
29    6  to the right of   10
30    7  to the right of    9
31    7  to the right of   12
32    9   to the left of    7
33    9   to the left of    4
34   10   to the left of    6
35   10   to the left of    1
36   10  to the right of    0
37   10   to the left of    4
38   11   to the left of    5
39   11  to the right of    3
40   11   to the left of    1
41   12   to the left of    4
42   12   to the left of    1
43   12   to the left of    7
44   12   to the left of    6