Are the doors open or shut?
The doors are shut.
    src        edge_attr  dst
0     0  to the right of    4
1     1  to the right of    9
2     1   to the left of    8
3     2   to the left of    9
4     3  to the right of    9
5     3   to the left of    8
6     4   to the left of    0
7     4   to the left of    8
8     4   to the left of    6
9     6  to the right of    4
10    7  to the right of    9
11    8  to the right of    3
12    8  to the right of    4
13    8  to the right of    1
14    9  to the right of    2
15    9   to the left of    1
16    9   to the left of    3
17    9   to the left of    7
18    9   to the left of   10
19   10  to the right of    9