Twin directories of y:

[DIR]  ftp://ftp.netvision.net.il/home/y/
[DIR]  ftp://ftp.ski.org/pub/Hamer/zzzzjunk/xxx/y/
[DIR]  ftp://128.31.0.36/debian-security/pool/updates/main/y/
[DIR]  ftp://ftp.eenet.ee/pub/gentoo/experimental/mips/netboot/new/y/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/y/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/main/y/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/multiverse/y/
[DIR]  ftp://ftp.linux.it/debian/pool/main/y/
[DIR]  ftp://ftp.linux.it/debian/pool/non-free/y/
[DIR]  ftp://ftp.linux.it/debian/pool/contrib/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.1/slackware/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.1/source/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.2/source/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-current/slackware/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-current/source/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/slackware/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/source/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.0/slackware/y/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.0/source/y/
[DIR]  ftp://ftp.cesca.es/mirror/debian-security/pool/updates/main/y/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/contrib/y/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/main/y/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/non-free/y/
[DIR]  ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/source/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/gentoo.org/experimental/mips/netboot/new/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian-security/pool/updates/main/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/main/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/non-free/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/contrib/y/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/pool/main/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/slackware/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/source/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/main/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/non-free/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/pool/updates/main/y/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/contrib/y/
[DIR]  ftp://ftp.si.debian.org/debian/pool/non-free/y/
[DIR]  ftp://ftp.42.org/pub/OLD/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/non-free/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/non-free/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/contrib/y/
[DIR]  ftp://debian.lcs.mit.edu/debian-security/pool/updates/main/y/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/contrib/y/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/main/y/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/non-free/y/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/contrib/y/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/y/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/multiverse/y/