31e7d41eeabe585825d49cd1a40af9f52375272d  avg1de4.pdf
ab57c26620af8ab19532bf7a5db8a999f9b259d1  avg2de4.pdf
76dd47e11e3d626a811acac7137a2c4ee575e8e9  avg3de4.pdf
43bbde728669ab3f44e417dca9b625a5f805f5a6  avg4de4.pdf