What place could this be?
It is a patio.
    src        edge_attr  dst
0     0  to the right of    9
1     0   to the left of   14
2     0   to the left of   15
3     0   to the left of   11
4     0               on    5
5     2  to the right of   12
6     2   to the left of   17
7     2   to the left of   10
8     4  to the right of    9
9     5  to the right of    9
10    6   to the left of   10
11    6   to the left of   17
12    6  to the right of   12
13    7               on    8
14    7  to the right of   14
15    7  to the right of   15
16    7  to the right of   11
17    8  to the right of    9
18    8  to the right of   12
19    9   to the left of    4
20    9   to the left of    8
21    9   to the left of    0
22    9   to the left of    5
23   10  to the right of   12
24   10  to the right of    2
25   10  to the right of    6
26   11   to the left of   14
27   11   to the left of    7
28   11  to the right of    0
29   12   to the left of   17
30   12   to the left of    2
31   12   to the left of    6
32   12   to the left of    8
33   12   to the left of   10
34   12   to the left of   13
35   13   to the left of   17
36   13  to the right of   12
37   14  to the right of    0
38   14  to the right of   15
39   14   to the left of    7
40   14  to the right of   11
41   15               on   14
42   15   to the left of   14
43   15  to the right of    0
44   15   to the left of    7
45   17  to the right of    2
46   17  to the right of    6
47   17  to the right of   12
48   17  to the right of   13