When was Yin Zhannaxi's White Clouds written?

Yin Zhannaxi's White Clouds/kloc-started writing at the age of 0/0. According to the inquired public information, Yin Zhannaxi began to write the poem "Baiyun" at the age of 10, and his literary creation ran through his life. Yin, whose real name is Hengshan and Runting, was born in a Mongolian aristocratic family in Zhongxinju, Tumd Right Banner, Zhuosuotumeng, Inner Mongolia. He is the 28th generation descendant of Genghis Khan, and the 7th son of Wang Chen Bale.