/data/open_fwi/FlatFault_A/vel2_1_32.npy
/data/open_fwi/FlatFault_A/vel2_1_33.npy
/data/open_fwi/FlatFault_A/vel2_1_34.npy
/data/open_fwi/FlatFault_A/vel2_1_35.npy
/data/open_fwi/FlatFault_A/vel3_1_32.npy
/data/open_fwi/FlatFault_A/vel3_1_33.npy
/data/open_fwi/FlatFault_A/vel3_1_34.npy
/data/open_fwi/FlatFault_A/vel3_1_35.npy
/data/open_fwi/FlatFault_A/vel4_1_32.npy
/data/open_fwi/FlatFault_A/vel4_1_33.npy
/data/open_fwi/FlatFault_A/vel4_1_34.npy
/data/open_fwi/FlatFault_A/vel4_1_35.npy
