《太平广记·卷十四·神仙十四》
老翁走了半年多走出了大井，一看，来到了四川青城山，然后就回到了洛阳。
半年许，乃出蜀青城山，因得归洛下。
The old man walked for more than half a year before coming out of the big well. He saw that he had come to Mount Qingcheng in Sichuan, and then he returned to Luoyang.