24 users have solved this problem:

ja_kingy, Gomango999, ch13, clairesyd, loctildore, henryho2, dumpy, lion, KarL06, maomao90, angus, caterpillow, Double_Slash, awu, anson, Ghetto, Matthewwww, lukamosiashvili, sandworm, hhhyh, amanda, newai, Muyao_Zhang, JustinWang,