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dark urinexkcd bulk dried urinexkcd bulk light urinexkcd bulk green urinexkcd bulk urine yellowxkcd bulk bloody urinexkcd bulk berocca urinexkcd bulk diluted urinexkcd bulk diseased urinexkcd bulk unhealthy urinexkcd bulk dehydrated urinexkcd bulk concentrated urinexkcd bulk sick urine yellowxkcd bulk dehydrated urine yellowxkcd bulk