clean the outside ~ 40_MAT_23_25 ~ clean the outside ~ 42_LUK_11_39 ~
 clean the outside of ~ 40_MAT_23_25 ~ clean the outside of ~ 42_LUK_11_39 ~
 make clean the outside ~ 40_MAT_23_25 ~ make clean the outside ~ 42_LUK_11_39 ~