><span class="r-pr">#&gt;</span> No other solutions better than 4</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Optimal solution found (tolerance 0.00e+00)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># print solution</span></span></span>
<span clas