/usr/lib/libGraphicsMagick++-Q16.so.12 is in libgraphicsmagick++-q16-12 1.3.28-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libGraphicsMagick++-Q16.so.12.3.1
/usr/lib/libGraphicsMagick++-Q16.so.12.3.1