/usr/lib/libGraphicsMagick++-Q16.so.12 is in libgraphicsmagick++-q16-12 1.3.23-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libGraphicsMagick++-Q16.so.12.0.1
/usr/lib/libGraphicsMagick++-Q16.so.12.0.1