file '02_EXO_01_15.mp4' 
file '02_EXO_01_17.mp4' 
file '02_EXO_01_18.mp4' 
file '02_EXO_01_19.mp4' 
file '02_EXO_01_20.mp4' 
file '02_EXO_01_21.mp4'