1
 file run.cgd
 units feet
 ZONE 1
   BOUNDARY I1
     FROZEN
     UPDATE
   BOUNDARY IMAX
     OUTFLOW
     UPDATE
   BOUNDARY J1
     INVISCID WALL
     UPDATE
   BOUNDARY JMAX
     INVISCID WALL
     UPDATE
   BOUNDARY K1
     REFLECTION
     UPDATE
   BOUNDARY KMAX
     REFLECTION
     UPDATE