Do you see any striped ties there?
No, there is a tie but it is checkered.
    src        edge_attr  dst
0     2               on    5
1     3      standing on    0
2     3               on    0
3     3   to the left of    6
4     4  to the right of    6
5     5               on    0
6     5  to the right of    6
7     6               on    3
8     6  to the right of    3
9     6   to the left of    5
10    6   to the left of    4
11    6   to the left of    9
12    7               on    0
13    8               on    7
14    9               on    0
15    9  to the right of    6