https://mirror.math.princeton.edu/pub/ddwrt/betas/2018/02-17-2018-r35034/senao-EAP9550/?C=M;O=D
Index of /pub/ddwrt/betas/2018/02-17-2018-r35034/senao-EAP9550
index ofpubddwrtbetas
https://mirror.math.princeton.edu/pub/ddwrt/betas/2018/10-19-2018-r37442/senao-EAP9550/?C=N;O=D
Index of /pub/ddwrt/betas/2018/10-19-2018-r37442/senao-EAP9550
index ofpubddwrtbetas