/etc/X11/ is in comixcursors-lefthanded-opaque 0.7.2-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/etc/X11/cursors/
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Black-Small.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Blue-Small.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Green-Small.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Orange-Small.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-Red-Small.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Huge-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Huge.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Large-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Large.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Regular-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Regular.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Small-Slim.theme
/etc/X11/cursors/ComixCursors-LH-Opaque-White-Small.theme