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<b>take </b>
 <a href="yellow_0.html#K4">Top</a> <font color="Maroon">c<sub>1</sub></font>
;<br/>

<b>thus </b><a NAME="E1:40_1_1"/>
 <a href="yellow_0.html#K4">Top</a> <font color="Maroon">c<sub>1</sub></font> is <a href="waybel_6.html#V5" target="_self">prime</a>
 <b>by </b><i><a class="ref" href="waybel_6.html#T20" target="_self">Th20</a></i>;<br/>


</div>
