Fine grid size 9 by 9
  0 KSP Residual norm 7.27966 
  1 KSP Residual norm 3.97217 
  2 KSP Residual norm 1.04039 
  3 KSP Residual norm 0.288721 
  4 KSP Residual norm 0.0875478 
  5 KSP Residual norm 0.012362 
  6 KSP Residual norm 0.00384296 
  7 KSP Residual norm 0.000986024 
  8 KSP Residual norm 0.000305754 
  9 KSP Residual norm 8.36409e-05 
 10 KSP Residual norm 3.03888e-05 
Number of iterations = 10
