How does the door look like, closed or open?
The door is open.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    7
2     0  to the right of    9
3     0  to the right of    4
4     0  to the right of    5
5     1  to the right of    3
6     1  to the right of    4
7     3  to the right of    7
8     3  to the right of    4
9     3   to the left of   10
10    3   to the left of    1
11    4   to the left of    1
12    4   to the left of    0
13    4   to the left of    3
14    5   to the left of    0
15    7   to the left of    0
16    7   to the left of    3
17    8   to the left of    0
18    9   to the left of    0
19    9               on    4
20   10               on    1
21   10  to the right of    3