Twin directories of f:

[DIR]  ftp://ftp.tw.openbsd.org/pub/OpenBSD/src/gnu/usr.bin/gcc/gcc/f/
[DIR]  ftp://ftp.tw.openbsd.org/pub/OpenBSD/src/gnu/egcs/gcc/f/
[DIR]  ftp://ftp.nectec.or.th/.b/5/ubuntu-official/archive/pool/multiverse/f/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.il.kernel.org/pub/linux/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.uni-giessen.de/pub/linux/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.duth.gr/pub/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.gnome.org/mirror/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.ucr.ac.cr/pub/Unix/linux/distribuciones/ubuntu/pool/universe/f/
[DIR]  ftp://208.209.50.19/pub/linux/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.ncnu.edu.tw/Linux/ubuntu/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.ucr.ac.cr/pub/Unix/linux/distribuciones/ubuntu/pool/multiverse/f/
[DIR]  ftp://208.209.50.19/pub/linux/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.monash.edu/pub/linux/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.otenet.gr/pub/linux/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.sics.se/pub/mirrors/ubuntu/ubuntu/pool/multiverse/f/
[DIR]  ftp://91.189.89.6/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.lug.udel.edu/pub/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/backports.org/pool/main/f/
[DIR]  ftp://ftp.sun.ac.za/.sda1/backports.org/pool/main/f/
[DIR]  ftp://ftp.sh.cvut.cz/DATA/debian-backports/pool/main/f/
[DIR]  ftp://ftp.estpak.ee/pub/backports.org/pool/main/f/
[DIR]  ftp://szmaragd.futuro.pl/pub/distributions/debian-backports/pool/main/f/
[DIR]  ftp://ftp.ar.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp12.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/gcc.295/f/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/gcc/f/
[DIR]  ftp://ftp6.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://155.232.137.108/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.at.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://208.209.50.19/pub/.vol02/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.cerias.purdue.edu/pub/os/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.lucky.net/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/gcc/f/
[DIR]  ftp://ftp.splack.org/pub/armedslack/armedslack-11.0/slackware/f/
[DIR]  ftp://ftp.uni-giessen.de/pub/linux/debian/pool/main/f/
[DIR]  ftp://ftp.gnome.org/mirror/debian-misc/debian-kfreebsd/pool-kfreebsd-amd64/main/f/
[DIR]  ftp://ftp.gnome.org/mirror/debian-misc/debian-kfreebsd/pool-kfreebsd-i386/main/f/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/ubuntu/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/.mounts/sdc1/archive.ubuntu.com/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.lv.kernel.org/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.tuke.sk/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/main/f/
[DIR]  ftp://ftp.cesnet.cz/.vol/archive.ubuntu.com/mirror/ubuntu/pool/main/f/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/ubuntu/pool/main/f/
[DIR]  ftp://ftp.vein.hu/pub/linux/distributions/ubuntu/pool/main/f/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/ubuntu/ubuntu/pool/main/f/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/.mounts/sdc1/archive.ubuntu.com/ubuntu/pool/main/f/