/usr/share/help/el/ is in gnome-mahjongg 1:3.10.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/el/gnome-mahjongg/
/usr/share/help/el/gnome-mahjongg/bug-filing.page
/usr/share/help/el/gnome-mahjongg/choosing.page
/usr/share/help/el/gnome-mahjongg/develop.page
/usr/share/help/el/gnome-mahjongg/documentation.page
/usr/share/help/el/gnome-mahjongg/figures/
/usr/share/help/el/gnome-mahjongg/figures/hints-video.ogv
/usr/share/help/el/gnome-mahjongg/figures/layout-bridges.png
/usr/share/help/el/gnome-mahjongg/figures/layout-cloud.png
/usr/share/help/el/gnome-mahjongg/figures/layout-conf-cross.png
/usr/share/help/el/gnome-mahjongg/figures/layout-difficult.png
/usr/share/help/el/gnome-mahjongg/figures/layout-easy.png
/usr/share/help/el/gnome-mahjongg/figures/layout-pyramid-walls.png
/usr/share/help/el/gnome-mahjongg/figures/layout-red-dragon.png
/usr/share/help/el/gnome-mahjongg/figures/layout-tic-tac-toe.png
/usr/share/help/el/gnome-mahjongg/figures/layout-ziggurat.png
/usr/share/help/el/gnome-mahjongg/figures/logo.png
/usr/share/help/el/gnome-mahjongg/figures/logo32.png
/usr/share/help/el/gnome-mahjongg/figures/mahjongg-video.ogv
/usr/share/help/el/gnome-mahjongg/figures/moves-left.png
/usr/share/help/el/gnome-mahjongg/gameplay.page
/usr/share/help/el/gnome-mahjongg/hints.page
/usr/share/help/el/gnome-mahjongg/index.page
/usr/share/help/el/gnome-mahjongg/legal.xml
/usr/share/help/el/gnome-mahjongg/license.page
/usr/share/help/el/gnome-mahjongg/map.page
/usr/share/help/el/gnome-mahjongg/moves.page
/usr/share/help/el/gnome-mahjongg/pause.page
/usr/share/help/el/gnome-mahjongg/rules.page
/usr/share/help/el/gnome-mahjongg/scoring.page
/usr/share/help/el/gnome-mahjongg/shortcuts.page
/usr/share/help/el/gnome-mahjongg/strategy.page
/usr/share/help/el/gnome-mahjongg/toolbar.page
/usr/share/help/el/gnome-mahjongg/translate.page