What's the monitor made of?
The monitor is made of glass.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of    6
2     2        on top of    1
3     2      in front of    7
4     2   to the left of    7
5     3  to the right of    6
6     4  to the right of    6
7     6   to the left of    4
8     6   to the left of    0
9     6   to the left of    8
10    6   to the left of    3
11    7           behind    2
12    7  to the right of    2
13    7  to the right of    0
14    8  to the right of    6
15    8  on the front of    2