This is a box with green sides.  A hallway is also drawn.
-100   0    0 -100   0 9999 6
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 100 200    0  100 200 9999 6
-100 200    0 -100 200 9999 6
-100   0    0  100   0    0 6
0 0 0 0 0 0 0
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 -50 100 100  -50 100 200 2
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 50  100 100   50 100 200 2
0 0 0 0 0 0 0
 -49   1 200   49  99 200 9
 -49  99 200   49   1 200 9
 -50   1 101  -50  99 199 9
 -50  99 101  -50   1 199 9
  50   1 101   50  99 199 9
  50  99 101   50   1 199 9
 -49   0 101   49   0 199 9
 -49   0 199   49   0 101 9
 -49 100 101   49 100 199 9
 -49 100 199   49 100 101 9
0 0 0 0 0 0 0
 -50   0 100  -50 100 100 2
 -50 100 100   50 100 100 2
 50  100 100   50   0 100 2
 50    0 100  -50   0 100 2
 -49   1 100   49  99 100 9
 -49  99 100   49   1 100 9
