jims iso-problem
N I J 
562.5 0
3
0 0 0 0 0 0 0
0 1500 0 0 0 1.0 0
2 10000 0 0 0 10000 0
1.5 
1.8 1.8 1 1
1400 1E9
1024 1 1024
0 0.1 20 0.05
0 50 12 10