0                             istart: 0= from scratch, i=binary model number
0.245                         trun: expected elapsed system time at finish
0.007                         outint: time interval for output
1                             nstart_step: initial timestep number 
15000                         nsteps: Maximum timestep number allowed
0.6                           cf: courant safety factor
0.                            x1min: x bottom coordinate                  
1.                            x1max: x top coordinate
0.                            x2min: ybottom coordinate
1.                            x2max: y top coord.
0.                            x3min: z bot
1.                            x3max: z top
2.00                          cv: artvisc coefficient (negative for inactive)
1.4                           gamma: polytropic index
.25                           pK: polytropic constant
3                             ndim=2 for thin disk, ndim=3 for thick disk
.50                           eps: Gravitational softening parameter

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