an class="w"></span>
<span class="w"> </span><span class="p">&amp;</span><span class="w"> </span><span class="s1">&#39;   25     -300     1050    -1400      630;                               &#39;</span><span class="p">,</span><span class="w"> </span><span class="p">&amp;</span><span class="w"></span>
<span class="w"> </span><span class="p">&amp;</span><span class="w"> </span><span class="s1">&#39; -300     4800   -18900    26880   -12600;                               &#39;</span><span class="p">,</span><