Twin directories of SI:

[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/S/SI/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/S/SI/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/S/SI/
[DIR]  ftp://62.128.1.71/pub/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.imf.au.dk/pub/mks/SI/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/packages/X/R5/mit/doc/extensions/PEX/SI/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/packages/X/R5/mit/hardcopy/extensions/PEX/SI/
[DIR]  ftp://ftp.port80.se/pub/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/X11R6.3/xc/doc/hardcopy/XIE/SI/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/X11R6.3/xc/doc/specs/PEX5/PEX5.1/SI/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/X11R6.3/xc/doc/specs/XIE/SI/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.amigascne.org/mirrors/ftp.modland.com/pub/modules/Fasttracker 2/SI/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/6.2/cpan/CPAN-archive/authors/id/S/SI/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.mgts.by/pub/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/unix/perl/authors/id/S/SI/
[DIR]  ftp://ftp.ut.ee/pub/languages/perl/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.univ-paris1.fr/pub/IAE/CAAE/SI/
[DIR]  ftp://24.215.0.24/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.sztaki.hu/pub/X11/X11R6.6/xc/doc/hardcopy/XIE/SI/
[DIR]  ftp://ftp.sztaki.hu/pub/X11/X11R6.6/xc/doc/specs/PEX5/PEX5.1/SI/
[DIR]  ftp://ftp.sztaki.hu/pub/X11/X11R6.6/xc/doc/specs/XIE/SI/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.cpan.org/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.spez.com.ua/driver/raid/SI/
[DIR]  ftp://sapi.vlsm.org/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.cbn.net.id/mirror/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.inria.fr/INRIA/Projects/Meta2/Scilab/gnucpan/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/6.2/cpan/CPAN-archive/authors/id/S/SI/
[DIR]  ftp://ftp.dc.aleron.net/pub/CPAN/authors/id/S/SI/
[DIR]  ftp://128.197.27.19/pub/mirrors/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors/ftp.funet.fi/pub/languages/perl/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors-DELETEME_MOVED_TO_VOLATILE/ftp.funet.fi/pub/languages/perl/CPAN/authors/id/S/SI/
[DIR]  ftp://ftp13.freebsd.org/pub/CPAN/authors/id/S/SI/
pkg://MozillaFirebird-0.7-i686-pc-linux-gnu-zhCN.tar.gz:9615139/MozillaFirebird/defaults/profile/  downloads[DIR]3  MozillaFirebird-0.7-i686-pc-linux-gnu-zhCN.tar.gz/MozillaFirebird/defaults/profile/SI/
pkg://X11R6.7.0-src6.tar.gz:3181606/xc/doc/specs/XIE/  downloads[DIR]3  X11R6.7.0-src6.tar.gz/xc/doc/specs/XIE/SI/
pkg://X11R6.7.0-src6.tar.gz:3181606/xc/doc/specs/PEX5/PEX5.1/  downloads[DIR]3  X11R6.7.0-src6.tar.gz/xc/doc/specs/PEX5/PEX5.1/SI/
pkg://X11R6.7.0-src6.tar.gz:3181606/xc/doc/specs/PEX5/  downloads[DIR]3  X11R6.7.0-src6.tar.gz/xc/doc/specs/PEX5/SI/
pkg://X11R6.7.0-src7.tar.bz2:4640912/xc/doc/specs/XIE/  downloads[DIR]3  X11R6.7.0-src7.tar.bz2/xc/doc/specs/XIE/SI/
pkg://X11R6.7.0-src7.tar.bz2:4640912/xc/doc/specs/PEX5/PEX5.1/  downloads[DIR]3  X11R6.7.0-src7.tar.bz2/xc/doc/specs/PEX5/PEX5.1/SI/
pkg://X11R6.7.0-src7.tar.bz2:4640912/xc/doc/specs/PEX5/  downloads[DIR]3  X11R6.7.0-src7.tar.bz2/xc/doc/specs/PEX5/SI/
pkg://X11R6.7.0-src7.tar.gz:4624204/xc/doc/hardcopy/XIE/  downloads[DIR]3  X11R6.7.0-src7.tar.gz/xc/doc/hardcopy/XIE/SI/
pkg://X11R6.8.0-src2.tar.gz:5808901/xc/doc/hardcopy/XIE/  downloads[DIR]3  X11R6.8.0-src2.tar.gz/xc/doc/hardcopy/XIE/SI/
pkg://X336src-2.tgz:14834083/xc/doc/specs/XIE/  downloads[DIR]3  X336src-2.tgz/xc/doc/specs/XIE/SI/
pkg://X336src-2.tgz:14834083/xc/doc/specs/PEX5/PEX5.1/  downloads[DIR]3  X336src-2.tgz/xc/doc/specs/PEX5/PEX5.1/SI/