/usr/share/help/oc/ is in gnome-mines 1:3.18.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/oc/gnome-mines/
/usr/share/help/oc/gnome-mines/board-size.page
/usr/share/help/oc/gnome-mines/bug-filing.page
/usr/share/help/oc/gnome-mines/develop.page
/usr/share/help/oc/gnome-mines/documentation.page
/usr/share/help/oc/gnome-mines/figures/
/usr/share/help/oc/gnome-mines/figures/easy-hints-1.png
/usr/share/help/oc/gnome-mines/figures/easy-hints-2.png
/usr/share/help/oc/gnome-mines/figures/easy-hints-3.png
/usr/share/help/oc/gnome-mines/figures/flag-question.svg
/usr/share/help/oc/gnome-mines/figures/flag.svg
/usr/share/help/oc/gnome-mines/figures/flags.png
/usr/share/help/oc/gnome-mines/figures/gnome-mines.png
/usr/share/help/oc/gnome-mines/figures/hard-hints-1.png
/usr/share/help/oc/gnome-mines/figures/hard-hints-2.png
/usr/share/help/oc/gnome-mines/figures/hard-hints-3.png
/usr/share/help/oc/gnome-mines/figures/highscores.png
/usr/share/help/oc/gnome-mines/figures/imnotsureflagscheckbox.png
/usr/share/help/oc/gnome-mines/figures/logo.png
/usr/share/help/oc/gnome-mines/figures/logo32.png
/usr/share/help/oc/gnome-mines/figures/main-window.png
/usr/share/help/oc/gnome-mines/figures/preferences.png
/usr/share/help/oc/gnome-mines/figures/statusbar.png
/usr/share/help/oc/gnome-mines/flags.page
/usr/share/help/oc/gnome-mines/get-help.page
/usr/share/help/oc/gnome-mines/high-scores.page
/usr/share/help/oc/gnome-mines/index.page
/usr/share/help/oc/gnome-mines/license.page
/usr/share/help/oc/gnome-mines/new-game.page
/usr/share/help/oc/gnome-mines/rules.page
/usr/share/help/oc/gnome-mines/shortcuts.page
/usr/share/help/oc/gnome-mines/translate.page
