select link from friends where grade = 2018 Happy Endcat zkonge Reclu3e Ruby F1ag Wa1let Robotxm gzy select link from friends where grade >= 2019 赤道企鹅 Reverier Ga1@xy Lunatic cdcq 含树 BlackBird select link from friends where grade < 2018 w1nd K0rz3n Pupile f1sh 天上的因幡 Y1ng Hausa yichya Keybrl 心渡 BBChan Nouthest actedeer