/usr/ is in compass-susy-plugin 1.0.9~dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/compass-susy-plugin/
/usr/share/doc/compass-susy-plugin/changelog.Debian.gz
/usr/share/doc/compass-susy-plugin/copyright
/usr/share/doc/compass-susy-plugin/README.md
/usr/share/compass/
/usr/share/compass/frameworks/
/usr/share/compass/frameworks/susy/
/usr/share/compass/frameworks/susy/templates/
/usr/share/compass/frameworks/susy/templates/project/
/usr/share/compass/frameworks/susy/templates/project/manifest.rb
/usr/share/compass/frameworks/susy/templates/project/screen.scss
/usr/share/compass/frameworks/susy/templates/project/_base.scss
/usr/share/compass/frameworks/susy/stylesheets/
/usr/share/compass/frameworks/susy/stylesheets/susy/
/usr/share/compass/frameworks/susy/stylesheets/susy/_isolation.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_support.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_padding.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_margin.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_background.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_media.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_functions.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_units.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_settings.scss
/usr/share/compass/frameworks/susy/stylesheets/susy/_grid.scss
/usr/share/compass/frameworks/susy/stylesheets/_susy.scss