/usr/share/icons/hicolor/64x64/ is in hicolor-icon-theme 0.17-2.
This file is owned by root:root, with mode 0o755.
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/usr/share/icons/hicolor/64x64/actions/
/usr/share/icons/hicolor/64x64/animations/
/usr/share/icons/hicolor/64x64/apps/
/usr/share/icons/hicolor/64x64/categories/
/usr/share/icons/hicolor/64x64/devices/
/usr/share/icons/hicolor/64x64/emblems/
/usr/share/icons/hicolor/64x64/emotes/
/usr/share/icons/hicolor/64x64/filesystems/
/usr/share/icons/hicolor/64x64/intl/
/usr/share/icons/hicolor/64x64/mimetypes/
/usr/share/icons/hicolor/64x64/places/
/usr/share/icons/hicolor/64x64/status/
/usr/share/icons/hicolor/64x64/stock/
/usr/share/icons/hicolor/64x64/stock/chart/
/usr/share/icons/hicolor/64x64/stock/code/
/usr/share/icons/hicolor/64x64/stock/data/
/usr/share/icons/hicolor/64x64/stock/form/
/usr/share/icons/hicolor/64x64/stock/image/
/usr/share/icons/hicolor/64x64/stock/io/
/usr/share/icons/hicolor/64x64/stock/media/
/usr/share/icons/hicolor/64x64/stock/navigation/
/usr/share/icons/hicolor/64x64/stock/net/
/usr/share/icons/hicolor/64x64/stock/object/
/usr/share/icons/hicolor/64x64/stock/table/
/usr/share/icons/hicolor/64x64/stock/text/