Are the eyes open or shut?
The eyes are shut.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   13
2     1   to the left of   13
3     2   to the left of   12
4     3  to the right of   11
5     4   to the left of   13
6     4  to the right of    6
7     4   to the left of   12
8     4  to the right of    7
9     6   to the left of   12
10    6   to the left of    4
11    7   to the left of   12
12    7   to the left of    9
13    7   to the left of   13
14    7   to the left of    4
15    9  to the right of    7
16   10               on   14
17   11   to the left of    3
18   11   to the left of   12
19   12  to the right of    0
20   12  to the right of    2
21   12  to the right of    4
22   12  to the right of    6
23   12  to the right of   11
24   12  to the right of    7
25   13  to the right of    1
26   13  to the right of    7
27   13  to the right of    4
28   13  to the right of    0