《论衡·卷二十二·纪妖篇》
三国进攻晋阳一年多，引汾河水灌晋阳城，城只差三板就要淹没了。
三国攻晋阳岁余，引汾水灌其城，城不浸者三板。
The three countries attacked Jinyang for over a year, and diverted the waters of the Fen River to flood the city, and the city was almost flooded to within three sections.