Twin directories of opt:

[DIR]  ftp://ftp.kemsu.ru/incoming/sinnerKem/unix_video/etc/opt/
[DIR]  ftp://ftp.eenet.ee/pub/FreeBSD/distfiles/foomatic-db-20040107/foomatic-db-20040107/db/source/opt/
[DIR]  ftp://ftp.eenet.ee/pub/FreeBSD/distfiles/foomatic-db-20050309/foomatic-db-20050309/db/source/opt/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/o/opt/
[DIR]  ftp://ftp.linux.it/debian/pool/main/o/opt/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/main/o/opt/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/language/chinese/ctex/opt/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/main/o/opt/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/o/opt/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/o/opt/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/main/o/opt/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/o/opt/
[DIR]  ftp://ftp.kfki.hu/pub/linux/debian/pool/main/o/opt/
[DIR]  ftp://ftp.skynet.be/mirror1/debian.org/pool/main/o/opt/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/language/chinese/ctex/opt/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/debian/pool/main/o/opt/
[DIR]  ftp://ftp.3logic.net/.1/debian-archive/pool/main/o/opt/
[DIR]  ftp://ftp.3logic.net/.1/debian/pool/main/o/opt/
[DIR]  ftp://charon.amdahl.com/support/gr7xx/grsdrivers/jni/solaris/PCI/JNIfcaw/root/opt/
[DIR]  ftp://ftp.uic.nnov.ru/pub/Linux/Debian/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uic.nnov.ru/pub/Linux/Debian/debian-amd64/pool/main/o/opt/
[DIR]  ftp://128.232.0.33/usr/opt/
[DIR]  ftp://FusedImage00013871.jpg/usr/opt/
[DIR]  ftp://ftp.wustl.edu/pub/linux/distributions/debian/pool/main/o/opt/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/pool/universe/o/opt/
[DIR]  ftp://ftp.nz.debian.org/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uni-stuttgart.de/pub/mirror/ftp.de.debian.org/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/ubuntu/pool/universe/o/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/debian-mirror/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/distfiles/foomatic-db-20040107/foomatic-db-20040107/db/source/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/distfiles/foomatic-db-20050309/foomatic-db-20050309/db/source/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/gnu/dist/gcc4/gcc/testsuite/g++.dg/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/dev/wip/libusb/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/librump/rumpkern/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/librump/rumpnet/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/net/lib/libnet/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/net/lib/libnetinet/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/gnu/dist/gcc4/gcc/testsuite/g++.dg/opt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/sys/rump/dev/wip/libumass/opt/
[DIR]  ftp://ftp.port80.se/ubuntu/pool/universe/o/opt/
[DIR]  ftp://ftp.port80.se/debian/pool/main/o/opt/
[DIR]  ftp://ftp.cs.iastate.edu/pub/linux/debian/pool/main/o/opt/
[DIR]  ftp://ftp.dkrz.de/pub/opt/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/ftp.debian.org/debian/pool/main/o/opt/
[DIR]  ftp://ftp.et-inf.fho-emden.de/pub/Mirrors/ftp.debian.org/debian/pool/main/o/opt/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/dell/var/opt/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/debian/pool/main/o/opt/
[DIR]  ftp://130.251.19.2/ubuntu/pool/universe/o/opt/
[DIR]  ftp://130.251.19.2/debian-amd64/pool/main/o/opt/