geometry.coord_sys      = 0        # 0 => cart, 1 => RZ
geometry.prob_lo   =   -0.125 -0.125 -0.125
geometry.prob_hi   =   1.125 1.125 1.125
cg.v = 2
cg.maxiter = 500
mg.v = 2
mg.usecg = 0
boxes = grids/gr8.dog
