On which side of the picture is the tissue?
The tissue is on the left of the image.
    src         edge_attr  dst
0     0   to the right of   11
1     1           next to    4
2     1              near    4
3     1    to the left of    8
4     2    to the left of   15
5     2    to the left of    4
6     2    to the left of   10
7     3   to the right of    5
8     3    to the left of   11
9     3         on top of    2
10    3                on    2
11    4   to the right of    6
12    4              near    1
13    4   to the right of    2
14    4    to the left of    8
15    5    to the left of   11
16    5    to the left of    3
17    6             above    9
18    6    to the left of   15
19    6    to the left of    4
20    8        hanging on    0
21    8   to the right of    4
22    8   to the right of    1
23    8   to the right of   15
24    9             under    6
25    9             below    6
26    9    to the left of   10
27   10    to the left of   13
28   10   to the right of    9
29   10   to the right of    2
30   10   to the right of   16
31   11    to the left of   15
32   11   to the right of   12
33   11   to the right of    5
34   11   to the right of    3
35   11    to the left of    0
36   12    to the left of   11
37   13  on the bottom of    0
38   13   to the right of   10
39   15   to the right of    2
40   15   to the right of   11
41   15   to the right of    6
42   15    to the left of    8
43   16    to the left of   10