Fine grid size 9 by 9
  0 KSP Residual norm 29.3008 
  1 KSP Residual norm 3.49645 
  2 KSP Residual norm 0.688969 
  3 KSP Residual norm 0.184676 
  4 KSP Residual norm 0.0537535 
  5 KSP Residual norm 0.00825643 
  6 KSP Residual norm 0.00246508 
  7 KSP Residual norm 0.000428776 
  8 KSP Residual norm 7.98928e-05 
Number of iterations = 8
