pan class="fl">0</span>, <span class="fl">40</span>, <span class="fl">20</span>, <span class="fl">25</span>, <span class="fl">20</span>, <span class="fl">0</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>            nrow <span class="op">=</span> <span class="fl">4</span>, ncol <span class="op">=</span> <span class="fl">4</span>, dimnames <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span