Are both the floor and the door made of the same material?
Yes, both the floor and the door are made of wood.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     2   to the left of    5
3     2  to the right of    4
4     3   to the left of    8
5     4   to the left of    2
6     5  to the right of   10
7     5  to the right of    8
8     5  to the right of    2
9     7   to the left of    8
10    8  to the right of    3
11    8   to the left of    5
12    8  to the right of    7
13   10   to the left of    5