Hinge-equivalent to RRUvRRUmUvUm.

<ul>
<li>See also <a href="../../animations/toL8.webm">this</a> short animation to obtain this flat shape
</ul>

<!-- <a href="http://dmf.unicatt.it/rubiksmagic/animations/toL8.webm">Short animation</a>
to obtain L8 -->