-O -i mdin_min_v0_l1 -o two_cav_min_v0_l1.out -p two_cav.prm -c two_cav.rst -r two_cav_min_v0_l1.rst
-O -i mdin_min_v1_l1 -o three_cav_min_v1_l1.out -p three_cav.prm -c three_cav.rst -r three_cav_min_v1_l1.rst
