/usr/lib/x86_64-linux-gnu/liblouis.so.14 is in liblouis14 3.5.0-1ubuntu0.3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblouis.so.14.1.2
/usr/lib/x86_64-linux-gnu/liblouis.so.14.1.2