We consider μ p \mu _p - and alttext="alpha α encoding="application/x-tex">l \neq p ) p {Z}/p\mathbb -quotients respectively. also show conversely an surface a certain configuration admits or -covering by “K3-like” surface, which is often but not always, as the case canonical coverings Enriques alttext="2"> 2 encoding="application/x-tex">2