Does the truck window look closed?
Yes, the window is closed.
    src        edge_attr  dst
0     1               on    3
1     1  to the right of    5
2     2               on    3
3     2   to the left of    4
4     2   to the left of    6
5     3  to the right of    5
6     4               on    3
7     4  to the right of    8
8     4  to the right of    2
9     5   to the left of    1
10    5   to the left of    3
11    6  to the right of    9
12    6  to the right of    8
13    6  to the right of    2
14    7  to the right of    8
15    7  to the right of    9
16    8   to the left of    4
17    8   to the left of    6
18    8   to the left of    7
19    9   to the left of    6
20    9   to the left of    7
21   10               by    3