Do you see either white buses or trains?
Yes, there is a white train.
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0     0  to the right of    4
1     0  to the right of    3
2     1  to the right of    2
3     1  to the right of    4
4     1               of    0
5     2               of    0
6     2   to the left of    1
7     2  to the right of    4
8     3   to the left of    0
9     4   to the left of    2
10    4   to the left of    0
11    4   to the left of    1
12    5   to the left of   10
13    6               in    5
14    7  to the right of   10
15    8               of    0
16   10               of    0
17   10   to the left of    7
18   10  to the right of    5
19   11               on    0
20   12  to the right of   13
21   13   to the left of   12