# Multi-grid parameters for the black hole
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9	nz: total number of domains
11	nt: number of points in theta (the same in each domain)
8	np: number of points in phi   (the same in each domain)
# Number of points in r and (initial) inner boundary of each domain:
13	0.	<-   nr	  &   min(r)  in domain 0  (nucleus
13	0.5
13      1
13      2
13      4
13	8
13      16	
13      32
13      64






