Andy's problem. Explosive
N R V f O B 1
400 0
3
7.5 2200 1300 0 0 1.6 0
7.5 2200 800  0 0 1.6 0
9.5 2200 1300 0 0 1.6 0
6
6 6 1
500 1E8
-1 1 1 25
1024 0 1000 0.0001 0.02 0.005 1