ternal-link">c</a></span><span class="op">(</span><span class="fl">1</span>, <span class="fl">3</span>, <span class="fl">4</span>, <span class="fl">2</span>,</span></span>
<span class="r-in"><span>                   <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">4</span>, <span class="fl">2</span>,</span></span>
<span class="r-in"><span>                   <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">4</span>, <span class="fl">2</span>,</span></span>
<span cl