Twin directories of 4:

[DIR]  ftp://138.11.2.73/pub/mga/artwork/dh2go_digital/4/
[DIR]  ftp://ftp.simtel.com/pub/gamezone/32/6/4/
[DIR]  ftp://ftp.heitec.net/repo/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.ar.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.diasoft.ru/support/sab/5nt/upgrade/6/PACKAGE/7/PACK65/4/
[DIR]  ftp://89.179.199.133/support/sab/5nt/upgrade/6/PACKAGE/7/PACK65/4/
[DIR]  ftp://ftp5.jp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/fedora/updates/4/
[DIR]  ftp://64.86.106.88/public/english_us_canada/products/dimage_se/4/
[DIR]  ftp://ftp.tlogic.com/public/english_us_canada/products/dimage_se/4/
[DIR]  ftp://64.86.106.78/public/english_us_canada/products/dimage_se/4/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp12.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp6.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.espci.fr/incoming/GD/MANUSCRIT_EN_COURS/chapitre3_ancien/section4/4/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://155.232.137.108/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://na.mirror.garr.it/pub/0/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.at.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp2.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.cerias.purdue.edu/pub/os/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.cosy.sbg.ac.at/debian/pool/main/4/
[DIR]  ftp://ftp.sci.usq.edu.au/pub/debian/debian/pool/main/4/
[DIR]  ftp://ftp.las.ic.unicamp.br/pub/fedora/linux/core/4/
[DIR]  ftp://ftp.diasoft.ru/support/sab/5nt/upgrade/6/PACKAGE/7/PACK33/4/
[DIR]  ftp://89.179.199.133/support/sab/5nt/upgrade/6/PACKAGE/7/PACK33/4/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/cats/VIII/4/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/cats/IV/4/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/cats/V/4/
[DIR]  ftp://ftp.lucky.net/pub/FreeBSD/development/FreeBSD-CVS/ports/Tools/portbuild/4/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.debian.hu/debian/pool/main/4/
[DIR]  ftp://ftp.nectec.or.th/.b/5/ubuntu-official/archive/pool/universe/4/
[DIR]  ftp://ftp.bg.debian.org/debian-www/debian.org/News/weekly/2002/4/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.il.kernel.org/pub/linux/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.ncnu.edu.tw/Linux/ubuntu/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.ula.ve/linux/distribuciones/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.ucr.ac.cr/pub/Unix/linux/distribuciones/ubuntu/pool/universe/4/
[DIR]  ftp://208.209.50.19/pub/linux/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.monash.edu/pub/linux/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.otenet.gr/pub/linux/ubuntu/pool/universe/4/
[DIR]  ftp://91.189.89.6/ubuntu/pool/universe/4/
[DIR]  ftp://205.177.95.131/public/english_us_canada/products/dimage_se/4/
[DIR]  ftp://205.177.95.166/public/english_us_canada/products/dimage_se/4/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/4/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/kernel/people/christoph/patch-archive/2004/ptoss/posts/4/
[DIR]  ftp://ftp.asu.ru/incoming/2531/Системный анализ/4/
[DIR]  ftp://ftp.ntu.edu.tw/pub/linux/kernel/people/christoph/patch-archive/2004/ptoss/posts/4/