/etc/X11/cursors/ is in comixcursors-righthanded-opaque 0.9-2.
This file is owned by root:root, with mode 0o755.
..
/etc/X11/cursors/ComixCursors-Opaque-Black.theme
/etc/X11/cursors/ComixCursors-Opaque-Blue.theme
/etc/X11/cursors/ComixCursors-Opaque-Green.theme
/etc/X11/cursors/ComixCursors-Opaque-Orange.theme
/etc/X11/cursors/ComixCursors-Opaque-Red.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-Black.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-Blue.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-Green.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-Orange.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-Red.theme
/etc/X11/cursors/ComixCursors-Opaque-Slim-White.theme
/etc/X11/cursors/ComixCursors-Opaque-White.theme