start particle_system
nsize = 102
n = 2
nbh = 0
time = 0
t_end = 0
eta = 0
eps2 = 0
pos = 0  0  0
vel = 0  0  0
mass = 0
min_dt = 0
max_timestep = 0.0625
t_snap_next = 0
dt_snap_next = 0
t_log_next = 0
dt_log_next = 0
ntsize = -1
nprev = -1
step_count = 0
MP_step_count = 0
blockstep_count = 0
grape_steps = 0
snapflag = 0
dumpflag = 0
start particle set
start particle
r = 1 0 0
v = 0 0.5 0
m = 1
pot = 0
t = 0
i = 0
end particle
start particle
r = -1 0 0
v = 0 -0.5 0
m = 1
pot = 0
t = 0
i = 1
end particle
end particle set
end particle_system
