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<div align="center"><h1>S: <a href="../images/S.png"><img src="../images/S_s.png" align="center"></a></h1></div>
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Symmetries (restricted to the containing plane):
   Centrally symmetric
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Four configurations for this shape 
(click on the configuration code for building instructions):
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<font color="black"><a name="S1">1:</a> <code><a href="../info/S1.html">S-1</a></code> <a href="../images/S1.png"><img src="../images/S1_s.png" align="center"></a> [Mirror symmetric]</font><br>
<font color="black"><a name="S2">2:</a> <code><a href="../info/S2.html">S-2</a></code> <a href="../images/S2.png"><img src="../images/S2_s.png" align="center"></a> [Mirror symmetric]</font><br>
<font color="black"><a name="S3">3:</a> <code><a href="../info/S3.html">S-3</a></code> <a href="../images/S3.png"><img src="../images/S3_s.png" align="center"></a> [Mirror symmetric]</font><br>
<font color="black"><a name="S4">4:</a> <code><a href="../info/S4.html">S-4</a></code> <a href="../images/S4.png"><img src="../images/S4_s.png" align="center"></a> [Mirror symmetric]</font><br>
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