/usr/lib/libMyGUIEngine.so.3debian1 is in libmyguiengine3debian1 3.2.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libMyGUIEngine.so.3.2.1
/usr/lib/libMyGUIEngine.so.3.2.1