ftp://ftp.sh.cvut.cz/storage/1/ubuntu/pool/universe/r/  direct

[DIR]r-base/  direct  420+ twin directories
[DIR]r-cran-hdf5/  direct  320+ twin directories
[DIR]r-cran-maps/  direct  330+ twin directories
[DIR]r-cran-coda/  direct  320+ twin directories
[DIR]r-cran-eco/  direct  290+ twin directories
[DIR]r-cran-runit/  direct  260+ twin directories
[DIR]r-zoo/  direct  320+ twin directories
[DIR]r-base-core-ra/  direct  260+ twin directories
[DIR]r-cran-bayesm/  direct  300+ twin directories
[DIR]r-cran-mnp/  direct  340+ twin directories
[DIR]r-cran-vgam/  direct  280+ twin directories
[DIR]r-noncran-lindsey/  direct  290+ twin directories
[DIR]r5rs-doc/  direct  290+ twin directories
[DIR]rabbyt/  direct  270+ twin directories
[DIR]raccess/  direct  360+ twin directories
[DIR]radiance/  direct  330+ twin directories
[DIR]radioclk/  direct  330+ twin directories
[DIR]radiusclient-ng/  direct  380+ twin directories
[DIR]radiuscontext/  direct  320+ twin directories
[DIR]radiusd-cistron/  direct  530+ twin directories
[DIR]rafkill/  direct  380+ twin directories
[DIR]rageircd/  direct  270+ twin directories
[DIR]raidutils/  direct  360+ twin directories
[DIR]r-cran-getopt/  direct  250+ twin directories
[DIR]r-cran-gmaps/  direct  250+ twin directories
[DIR]r-cran-jit/  direct  260+ twin directories
[DIR]r-cran-lpsolve/  direct  270+ twin directories
[DIR]r-cran-mapdata/  direct  330+ twin directories
[DIR]r-cran-nws/  direct  240+ twin directories
[DIR]r-cran-pscl/  direct  290+ twin directories
[DIR]r-cran-psy/  direct  320+ twin directories
[DIR]r-cran-sn/  direct  260+ twin directories
[DIR]r-cran-xml/  direct  350+ twin directories
[DIR]racc/  direct  400+ twin directories
[DIR]raccess4vbox3/  direct  370+ twin directories
[DIR]race/  direct  440+ twin directories
[DIR]ragel/  direct  450+ twin directories
[DIR]raggle/  direct  500+ twin directories
[DIR]randtype/  direct  340+ twin directories
[DIR]rarpd/  direct  510+ twin directories
[DIR]ras/  direct  430+ twin directories
[DIR]rasmol/  direct  600+ twin directories
[DIR]rat/  direct  580+ twin directories
[DIR]ratbox-services/  direct  310+ twin directories
[DIR]rate-engine/  direct  310+ twin directories
[DIR]ratfor/  direct  420+ twin directories
[DIR]rawdog/  direct  420+ twin directories
[DIR]razor/  direct  470+ twin directories
[DIR]razzle/  direct  290+ twin directories
[DIR]rbbr/  direct  380+ twin directories