《宋书·志·卷三十四》
这之后七年，藩王互相杀害，后二十八年，果有两个超人窃居帝位。
后七年，蕃王相害，二十八年，果有二胡僭窃神器。
In the seven years that follow, the feudatory kings will kill each other, and in the following twenty-eight years, there will be two supermen who will usurp the throne.