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

[DIR]r-base/  direct  300+ twin directories
[DIR]r-cran-hdf5/  direct  280+ twin directories
[DIR]r-cran-maps/  direct  290+ twin directories
[DIR]r-cran-coda/  direct  280+ twin directories
[DIR]r-cran-eco/  direct  250+ twin directories
[DIR]r-cran-runit/  direct  230+ twin directories
[DIR]r-zoo/  direct  280+ twin directories
[DIR]r6040/  direct  230+ twin directories
[DIR]radeontool/  direct  510+ twin directories
[DIR]radiusclient/  direct  470+ twin directories
[DIR]radiusd-livingston/  direct  290+ twin directories
[DIR]radvd/  direct  390+ twin directories
[DIR]raidtools2/  direct  350+ twin directories
[DIR]rain/  direct  610+ twin directories
[DIR]randim/  direct  230+ twin directories
[DIR]randomize-lines/  direct  290+ twin directories
[DIR]randomsound/  direct  230+ twin directories
[DIR]rant/  direct  240+ twin directories
[DIR]rasqal/  direct  440+ twin directories
[DIR]ratmenu/  direct  330+ twin directories
[DIR]ratpoison/  direct  480+ twin directories
[DIR]rawstudio/  direct  340+ twin directories
[DIR]rblcheck/  direct  420+ twin directories
[DIR]rbldnsd/  direct  410+ twin directories
[DIR]rbscrobbler/  direct  270+ twin directories
[DIR]rc/  direct  800+ twin directories
[DIR]rdup/  direct  220+ twin directories
[DIR]readseq/  direct  330+ twin directories
[DIR]realpath/  direct  340+ twin directories
[DIR]realtimebattle/  direct  290+ twin directories
[DIR]recite/  direct  290+ twin directories
[DIR]recode/  direct  580+ twin directories
[DIR]records/  direct  340+ twin directories
[DIR]recover/  direct  390+ twin directories
[DIR]redir/  direct  420+ twin directories
[DIR]redland/  direct  470+ twin directories
[DIR]refpolicy/  direct  250+ twin directories
[DIR]regexx/  direct  360+ twin directories
[DIR]regionset/  direct  350+ twin directories
[DIR]reiser4progs/  direct  520+ twin directories
[DIR]relimp/  direct  300+ twin directories
[DIR]remctl/  direct  290+ twin directories
[DIR]remember-el/  direct  280+ twin directories
[DIR]remstats/  direct  360+ twin directories
[DIR]renaissance/  direct  360+ twin directories
[DIR]reniced/  direct  240+ twin directories
[DIR]renpy/  direct  230+ twin directories
[DIR]rep-gtk/  direct  500+ twin directories
[DIR]replicator/  direct  260+ twin directories
[DIR]reportbug-ng/  direct  250+ twin directories