Twin directories of b:

[DIR]  ftp://ftp.netvision.net.il/home/b/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004-cd/strona_www_SO/PUBLIC-SO/2003-04/03_shell/zadanie1-test/b/
[DIR]  ftp://128.31.0.36/debian-security/pool/updates/main/b/
[DIR]  ftp://128.31.0.36/debian-security/pool/updates/contrib/b/
[DIR]  ftp://ftp.dit.upm.es/linux/ubuntu-6.06.1/ubuntu-6.06.1/pool/main/b/
[DIR]  ftp://ftp.cs.bgu.ac.il/incoming/asis/b/
[DIR]  ftp://ftp.reed.edu/mirrors/faqs/usenet/software/b/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/b/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/main/b/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/multiverse/b/
[DIR]  ftp://ftp.linux.it/debian/pool/main/b/
[DIR]  ftp://ftp.linux.it/debian/pool/non-free/b/
[DIR]  ftp://ftp.linux.it/debian/pool/contrib/b/
[DIR]  ftp://ftp.cesca.es/mirror/debian-security/pool/updates/main/b/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/contrib/b/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/main/b/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/non-free/b/
[DIR]  ftp://ftp.cesca.es/mirror/debian-security/pool/updates/contrib/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian-security/pool/updates/main/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/main/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/non-free/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian-security/pool/updates/contrib/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/contrib/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/pool/main/b/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/debian/pool/main/b/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/main/b/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/non-free/b/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/pool/updates/contrib/b/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/pool/updates/main/b/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/contrib/b/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/b/
[DIR]  ftp://161.7.9.173/ft_allocations/collected_2008/b/
[DIR]  ftp://ftp.42.org/pub/OLD/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/non-free/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/non-free/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/contrib/b/
[DIR]  ftp://debian.lcs.mit.edu/debian-security/pool/updates/main/b/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/contrib/b/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/main/b/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/non-free/b/
[DIR]  ftp://debian.lcs.mit.edu/debian-security/pool/updates/contrib/b/
[DIR]  ftp://ftp.si.debian.org/debian/pool/non-free/b/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/contrib/b/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/b/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/multiverse/b/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/main/b/
[DIR]  ftp://ftp.kfki.hu/pub/linux/debian/pool/main/b/
[DIR]  ftp://ftp.kfki.hu/pub/linux/debian/pool/non-free/b/