Surface source test
1   101  -1.6  -1    imp:n=1
2   102  -1.0  -2  1 imp:n=1
3    0         -3  2 imp:n=1
4    0             3 imp:n=0

1 sph  0 0 0 5
2 sph  0 0 0 10
3 sph  0 0 0 15

mode n
sdef par 1 erg=100
m101  6000 1
m102  1001 2  8016 1
nps   1000000
f2:n 1 2  3
ssw 2
ptrac file = asc 
      max  = -1000000
      write = all
      event = sur
      filter = 2,jsu
PRDMP  2J  -1
