25 users have solved this problem:

he, loctildore, lion, fisherman, Carmel_Ab1, user, henryho2, horiseun, phoebe, testcoder, awu, dorian, justin_g_20, ndosh, programmer123, pony_joe1, Lithanium, RonXueAlt, Matthewwww, ralismark, Double_Slash, SirLemonMeringue, Ghetto, caterpillow, finehaveanormalusername