Is the knife in the bottom of the picture?
No, the knife is in the top of the image.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of   12
2     0  to the right of    8
3     0  to the right of   15
4     0   to the left of    2
5     1               on    7
6     1  to the right of   13
7     1  to the right of    0
8     1  to the right of    3
9     2  to the right of    3
10    2  to the right of   13
11    2  to the right of    0
12    3  to the right of    7
13    3   to the left of    2
14    3   to the left of    1
15    3   to the left of   10
16    3   to the left of   12
17    4  to the right of    7
18    5  to the right of    6
19    6   to the left of    5
20    6   to the left of   12
21    6   to the left of   10
22    6  to the right of    7
23    7   to the left of   14
24    7   to the left of    4
25    7   to the left of    9
26    7   to the left of    6
27    7   to the left of    3
28    8   to the left of   10
29    8   to the left of   12
30    8   to the left of    0
31    8   to the left of   13
32    9  to the right of    7
33   10  to the right of    8
34   10               on   11
35   10  to the right of   13
36   10  to the right of    3
37   10  to the right of    6
38   12  to the right of   15
39   12  to the right of    8
40   12  to the right of   13
41   12  to the right of    3
42   12  to the right of    0
43   12  to the right of    6
44   13   to the left of    1
45   13               on    3
46   13  to the right of   15
47   13  to the right of    8
48   13   to the left of   10
49   13   to the left of   12
50   13   to the left of    2
51   14  to the right of    7
52   15   to the left of    0
53   15   to the left of   13
54   15   to the left of   12