/usr/lib/x86_64-linux-gnu/libtwin.so.0 is in libtwin0 13.05.03.15.06-g287d16c-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtwin.so.0.0.1
/usr/lib/x86_64-linux-gnu/libtwin.so.0.0.1