an class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">1</span> A     B       100</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">2</span> A     C        30</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">3</span> A     other    10</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #BCBCBC;">4</span> B     B         0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span s