3
4 
-100.0 0.0 100.0 
100.0 0.0 100.0 
100.0 0.0 -100.0 
-100.0 0.0 -100.0
4 
-40.0 0.0 20.0 
-20.0 0.0 20.0 
-20.0 20.0 20.0
-40.0 20.0 20.0
4 
-30.0 0.0 30.0 
-10.0 0.0 30.0 
-10.0 18.0 30.0
-30.0 18.0 30.0