Twin directories of x1:

[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/slackware/contrib/XFree86-2.1.1/x1/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/slackware/slakware/x1/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/slackware/slakware/x1/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/slackware/x1/
[DIR]  ftp://ftp.cs.kuleuven.be/pub/Ada-Belgium/ase/ase02_02/bindings/x11/x1/
[DIR]  ftp://ftp.cs.kuleuven.be/pub/Ada-Belgium/mirrors/pal/bindings/x11/x1/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://ftp.slackware.at/slackware-3.3/slakware/x1/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/ftp.slackware.com/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://64.50.238.52/.1/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://64.50.236.52/.1/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://147.52.159.12/mirrors/linux/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://ftp.tpnet.de/pub/pc/linux/suse80/suse/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-9.1/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-4.0/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-7.0/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-7.1/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-8.0/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-3.6/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-3.9/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-1.1.2/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-3.4/slakware/x1/
[DIR]  ftp://ftp.uni-wuppertal.de/pub/linux/slackware/slackware-3.5/slakware/x1/
[DIR]  ftp://ftp.irf.se/pub/tmp/outgoing/slkw-1-2.8/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/mmCIF/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/pdb/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/structure_factors/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/uncompressed/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/compressed2/x1/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/compressed/x1/
[DIR]  ftp://obelix.tul.cz/pub/unix/slackware/unsupported/sparc/slackware-current/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-8.0/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.4/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.5/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.6/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.9/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-4.0/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-7.0/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-7.1/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.2.0/link2cd/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.2.0/slaktest/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.2.0/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.3/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.0/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.1/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-3.3/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.0.1/slakware/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.1/contrib/XFree86-2.1.1/x1/
[DIR]  ftp://ftp.lug.udel.edu/pub/slackware/slackware-2.1/slackpro/x1/