-stokes_ksp_type gcr
-stokes_ksp_rtol 1.0e-6
-stokes_pc_type fieldsplit
  -stokes_pc_fieldsplit_type SCHUR
  -stokes_pc_fieldsplit_schur_fact_type UPPER
  -stokes_fieldsplit_p_ksp_type preonly
  -stokes_fieldsplit_u_pc_type bjacobi
-stokes_ksp_monitor_blocks
-mx 16
-model 3

