[To Parent Directory] 6/14/2019 3:42 PM 13420 01 Acidity Tester EV3_ex (2).lxf 6/14/2019 9:12 AM 97824 12 Minesweeper.ev3 6/14/2019 3:43 PM <dir> building 6/14/2019 9:11 AM <dir> video