1-ksp_gmres_unmodifiedgramschmidt
2-mg_coarse_ksp_type preonly
3-mg_coarse_pc_type redundant
4-mg_coarse_redundant_pc_type lu
5-mg_levels_ksp_max_it 1
6-mg_levels_ksp_type richardson
7-mg_levels_pc_type asm
8-mg_levels_sub_pc_ilu_levels 1
9-pc_mg_type multiplicative
10
11
12
13