30 users have solved this problem:

pmoore, he, horiseun, munux, sarbit, Netanya, henryho2, lion, Gomango999, user, phoebe, newai, fisherman, dorian, justin_g_20, awu, gaulle, Salamander, yixiu, CarlosJin159, pony_joe1, ndosh, Ghetto, caterpillow, Matthewwww, anson, Double_Slash, OoogaDooga, WenDidIAsk, Lithanium