Is the bathtub different in color than the curtain?
No, both the bathtub and the curtain are white.
    src        edge_attr  dst
0     0   to the left of    9
1     1  to the right of    2
2     2   to the left of    1
3     2   to the left of    6
4     2   to the left of    5
5     2   to the left of   12
6     2   to the left of    8
7     2   to the left of    4
8     3  to the right of    8
9     3  to the right of    6
10    3   to the left of   10
11    3  to the right of    5
12    4               by    5
13    4  to the right of    6
14    4  to the right of    2
15    4   to the left of   10
16    5   to the left of    3
17    5  to the right of    2
18    5  to the right of   13
19    5             with    6
20    5  to the right of    6
21    6  to the right of   13
22    6   to the left of    3
23    6  to the right of    2
24    6   to the left of    4
25    6   to the left of    5
26    6  to the right of    7
27    6               by    5
28    7            above    8
29    7   to the left of    6
30    8  to the right of    2
31    8   to the left of    3
32    8            below   13
33    8            below    7
34    9  to the right of    0
35   10  to the right of    3
36   10  to the right of    4
37   12  to the right of    2
38   13            above    8
39   13   to the left of    6
40   13   to the left of    5