Fine grid size 9 by 9
  0 KSP Residual norm 2.99996 
  1 KSP Residual norm 0.00999533 
  2 KSP Residual norm 3.14351e-05 
  3 KSP Residual norm 7.6817e-08 
Number of iterations = 3
  0 KSP Residual norm 2.20655 
  1 KSP Residual norm 0.00412778 
  2 KSP Residual norm 7.47637e-06 
Number of iterations = 2
  0 KSP Residual norm 2.20655 
  1 KSP Residual norm 0.0041264 
  2 KSP Residual norm 7.48043e-06 
Number of iterations = 2
