Fine grid size 9 by 9
  0 KSP Residual norm 12.1368 
  1 KSP Residual norm 0.413942 
  2 KSP Residual norm 0.01581 
  3 KSP Residual norm 0.000778874 
  4 KSP Residual norm 2.88462e-05 
Number of iterations = 4
