Infinite medium.
N C  
150 150 1 0
2
0 1500 0 0 0 1 0
0 1500 0 0 0 1 0
0
-200 200 60 60
1000 1E8
-1 1 1
0 0.4 15 0.05
-200 200 15 100
20 60 2