Are the tiles made of concrete or glass?
The tiles are made of glass.
     src        edge_attr  dst
0      0  to the right of    5
1      0   to the left of    4
2      1  to the right of    5
3      1  to the right of    9
4      1   to the left of    6
..   ...              ...  ...
112   22   to the left of   23
113   23               on    6
114   23  to the right of    2
115   23  to the right of    1
116   23  to the right of   22

[117 rows x 3 columns]