ftp://ftp.gnome.org/cdimage/.debian-mirror/pool/non-free/r/  direct

[DIR]raster3d/  direct  370+ twin directories
[DIR]rtlinux/  direct  310+ twin directories
[DIR]r-cran-mapproj/  direct  290+ twin directories
[DIR]rancid/  direct  560+ twin directories
[DIR]rar/  direct  750+ twin directories
[DIR]revtex/  direct  400+ twin directories
[DIR]rubybook/  direct  520+ twin directories
[DIR]rutebook/  direct  320+ twin directories