Twin directories of tr1:

[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/gnu/dist/gcc4/libstdc++-v3/testsuite/tr1/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-current/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-current/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-4-0/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-4-0/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.udc.es/mirror/freebsd/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-current/src/gnu/dist/gcc4/libstdc++-v3/testsuite/tr1/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-4-0/src/gnu/dist/gcc4/libstdc++-v3/testsuite/tr1/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/DragonFlyBSD-CVS/src/contrib/gcc-4.1/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-current/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-current/src/gnu/dist/gcc4/libstdc++-v3/testsuite/tr1/
[DIR]  ftp://133.24.255.161/mirror2/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.jp.netbsd.org/pub/NetBSD-cvs/main/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.jp.netbsd.org/pub/NetBSD-cvs/main/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/NetBSD-release-4-0/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/NetBSD-release-4-0/src/gnu/dist/gcc4/libstdc++-v3/include/tr1/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-current/src/gnu/lib/libstdc++-v3_4/include/tr1/
[DIR]  ftp://ftp.filearena.net/mnt1/freebsd-cvs/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.man.szczecin.pl/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp5.jp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp6.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.freebsdchina.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.za.freebsd.org/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp12.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.de.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.gwdg.de/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/freebsd/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.sh.cvut.cz/storage/1/freebsd/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://192.87.102.42/vol/3/freebsd-core/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://194.186.254.27/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://194.67.80.52/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/
[DIR]  ftp://ftp9.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libstdc++/include/tr1/