L_2 Error: 0.0196648
  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
  L_2 Error: 6.23393e-05
  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
L_2 Error: 9.91375e-06
Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1