《明史·志·卷三十二》
洪武二十二年，命令凡犯有罪过的人排列在外座，同类的人成席，不允许杂在善良的人中间，用文字写成法令。
二十二年，命凡有过犯之人列于外坐，同类者成席，不许杂于善良之中，著为令。
In the twenty-second year of Hongwu, an order was issued to line up all those who had committed crimes in the outer seat, and those of the same kind should sit together and not be mixed with the good people. This was written into the law.