Do the tiles have white color?
Yes, the tiles are white.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    4
2     1  to the right of    5
3     1  to the right of    4
4     3   to the left of    5
5     3   to the left of    4
6     4   to the left of    1
7     4  to the right of    8
8     4   to the left of    9
9     4  to the right of    3
10    4   to the left of    0
11    5  to the right of    8
12    5   to the left of    0
13    5  to the right of    3
14    5   to the left of    9
15    5   to the left of    1
16    8   to the left of    4
17    8               on    2
18    8   to the left of    5
19    9  to the right of    4
20    9  to the right of    5