<ul>
<li>Start from RRmRmDLDRmRm
<li>Lower the top four tiles to the left: this is achieved by turning 90 degress
to the left the two vertical tiles
<li>The resulting flat shape has a row of three stacks of two tiles and a lower row
of two tiles
<li>Call <i>second floor</i> the set of three tiles on top of the three stacks and
<i>first floor</i> the set of the remaining five tiles
<li>The two tiles of the first floor on the left of the top row can be lowered 180 degrees
about their lower side
<li>Of these two tiles, the one on the right can be further turned down 180 degrees to the left
<li>We have now a flat 2x3 rectangular shape with two stacks of two tiles in opposite corners
<li>Open it in the final shape
</ul>
<hr>
<b>Remark:</b> This configuration is chiral, you can obtain its enantiomorph by following the
above instructions in a mirror.