Do you see mouse pads there that are round?
Yes, there is a mouse pad that is round.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    8
2     0  to the right of   13
3     0   to the left of   12
4     0   to the left of    6
5     0   to the left of    2
6     1               on    3
7     1   to the left of    3
8     2   to the left of   10
9     2   to the left of    8
10    2  to the right of   13
11    2  to the right of    0
12    3  to the right of    1
13    5  to the right of   14
14    5   to the left of    8
15    6  to the right of   13
16    6  to the right of    0
17    7  to the right of   13
18    7           behind    8
19    8      in front of    7
20    8  to the right of    0
21    8  to the right of    2
22    8  to the right of    5
23    8  to the right of   12
24    8  to the right of   13
25    8  to the right of   14
26    8               on    4
27    8           beside    7
28    8  to the right of   11
29   10  to the right of    2
30   10  to the right of   12
31   10  to the right of   13
32   10  to the right of    0
33   11               on    5
34   11  to the right of   14
35   11   to the left of    8
36   12  to the right of    0
37   12   to the left of    8
38   12  to the right of   13
39   12   to the left of   10
40   12               on    4
41   13   to the left of   10
42   13   to the left of    6
43   13   to the left of    2
44   13   to the left of   12
45   13   to the left of    0
46   13   to the left of    7
47   13   to the left of    8
48   14               on    4
49   14   to the left of    5
50   14   to the left of    8
51   14   to the left of   11