ftp://ftp.x.org/pub/X11R6.6/  direct

[DIR]xdm-auth/  direct  290+ twin directories
[DIR]tars/  direct  339+ twin directories
[DIR]plug-ins/  direct  1496+ twin directories
[DIR]lbxproxy/  direct  1506+ twin directories
[DIR]fixes/  direct  1456+ twin directories