19 users have solved this problem:

Double_Slash, angus, caterpillow, sandworm, andrewkerr, KarL06, amanda, Muyao_Zhang, JustinWang, Vincent, Vinfred_Chen80150, ja_kingy, meisean2009, lucasgoldsmith, mr_pika, Karthikeya125684, Gomango999, EaEa, qiqicoder,