Are both the shower and the door made of the same material?
Yes, both the shower and the door are made of glass.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    1
2     0   to the left of    7
3     1  to the right of    0
4     2   to the left of    3
5     2   to the left of    6
6     2   to the left of    5
7     3   to the left of    9
8     3   to the left of    4
9     3  to the right of    6
10    3  to the right of    2
11    4  to the right of    3
12    4   to the left of    8
13    4  to the right of    6
14    4  to the right of    5
15    5  to the right of    2
16    5   to the left of    4
17    5   to the left of    9
18    6   to the left of    4
19    6  to the right of    2
20    6   to the left of    3
21    7  to the right of    0
22    8  to the right of    9
23    8  to the right of    4
24    9   to the left of    8
25    9  to the right of    5
26    9  to the right of    3
27   10  to the right of    0