/usr/share/perl5/Cz/Cstocs/enc/ is in cstocs 1:3.42-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Cz/Cstocs/enc/1250.enc
/usr/share/perl5/Cz/Cstocs/enc/1252.enc
/usr/share/perl5/Cz/Cstocs/enc/accent
/usr/share/perl5/Cz/Cstocs/enc/alias
/usr/share/perl5/Cz/Cstocs/enc/ascii.enc
/usr/share/perl5/Cz/Cstocs/enc/cork.enc
/usr/share/perl5/Cz/Cstocs/enc/il1.enc
/usr/share/perl5/Cz/Cstocs/enc/il2.enc
/usr/share/perl5/Cz/Cstocs/enc/kam.enc
/usr/share/perl5/Cz/Cstocs/enc/koi8.enc
/usr/share/perl5/Cz/Cstocs/enc/mac.enc
/usr/share/perl5/Cz/Cstocs/enc/macce.enc
/usr/share/perl5/Cz/Cstocs/enc/pc2.enc
/usr/share/perl5/Cz/Cstocs/enc/pc2a.enc
/usr/share/perl5/Cz/Cstocs/enc/tex.enc
/usr/share/perl5/Cz/Cstocs/enc/utf8.enc
/usr/share/perl5/Cz/Cstocs/enc/vga.enc