Coarse grid size 5 by 5
Fine grid size 9 by 9
  0 KSP Residual norm 2.34801 
  1 KSP Residual norm 1.10991 
  2 KSP Residual norm 0.905352 
  3 KSP Residual norm 0.719343 
  4 KSP Residual norm 0.542882 
  5 KSP Residual norm 0.378135 
  6 KSP Residual norm 0.2063 
  7 KSP Residual norm 0.0785186 
  8 KSP Residual norm 0.0271851 
  9 KSP Residual norm 0.0154188 
 10 KSP Residual norm 0.00984534 
 11 KSP Residual norm 0.00604218 
 12 KSP Residual norm 0.00189778 
 13 KSP Residual norm 0.000708898 
 14 KSP Residual norm 0.000230128 
 15 KSP Residual norm 9.31276e-05 
 16 KSP Residual norm 3.83561e-05 
 17 KSP Residual norm 2.04223e-05 
Number of iterations = 17
