span class='op'>(</span><span class='st'>"C1D1"</span>,<span class='fl'>3</span><span class='op'>)</span>, <span class='fu'><a href='https://rdrr.io/r/base/rep.html'>rep</a></span><span class='op'>(</span><span class='st'>"C1D2"</span>,<span class='fl'>3</span><span class='op'>)</span>, <span class='fu'><a href='https://rdrr.io/r/base/rep.html'>rep</a></span><span class='op'>(</span><span class='st'>"C2D1"</span>,<span class='fl'>4</span><span class='op'>)</span><span class='op'>)</span>,
                 s