ABILIIES,</span>
<span class="c">!     CHECK PROBABILITIES, AND CONTINUE ITERATING</span>
<span class="c">!     UNTIL IX1 = IX0 + 1.</span>
<span class="c">!</span>
<span class="w">         </span><span class="n">ix0p1</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ix0</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span>
<span class="w">         </span><span class="k">IF</span><span class="w"> </span><span clas