How many silent files are there at night? Find all directories

Part III: Part I: 1 Butterfly Fairy 2 Puppet 3 Apple 4 feet at the door 5 Black box 6 Feng Shui (top) 7 Feng Shui (bottom) 8 Cha Sheng (top) 9 Cha Sheng (bottom) 10 trace1prequel-Yaolu 12. 16 treasure (below) 17 exodus-earthly road part ii: 20 1 jingxian 202 sinking pool 203 xiongjiapo 204 tears of soul 205 zombies 206 wither part iii: 30 1 deadly school building 302 deadly beauty water 303