/usr/share/help-langpack/es/gnome-sudoku/ is in language-pack-gnome-es-base 1:18.04+20180423.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help-langpack/es/gnome-sudoku/basics.page
/usr/share/help-langpack/es/gnome-sudoku/bug-filing.page
/usr/share/help-langpack/es/gnome-sudoku/develop.page
/usr/share/help-langpack/es/gnome-sudoku/documentation.page
/usr/share/help-langpack/es/gnome-sudoku/earmarks.page
/usr/share/help-langpack/es/gnome-sudoku/highlighting.page
/usr/share/help-langpack/es/gnome-sudoku/index.page
/usr/share/help-langpack/es/gnome-sudoku/keyboard-shortcuts.page
/usr/share/help-langpack/es/gnome-sudoku/legal.xml
/usr/share/help-langpack/es/gnome-sudoku/license.page
/usr/share/help-langpack/es/gnome-sudoku/print-blank-puzzles.page
/usr/share/help-langpack/es/gnome-sudoku/print-inprogress-game.page
/usr/share/help-langpack/es/gnome-sudoku/rules.page
/usr/share/help-langpack/es/gnome-sudoku/save-resume.page
/usr/share/help-langpack/es/gnome-sudoku/strategy.page
/usr/share/help-langpack/es/gnome-sudoku/translate.page