efault 1..50).
  Lower number must be between 0 and 2500,
  upper number must be between 50 and 2500.</pre>
 
 <pre> -R &lt;num&gt;..&lt;num&gt;
  The range of radius per cluster (default 0.1..1.4142135623730951).
  Lower number must be between 0 and SQRT(2), 
  upper number must be between SQRT(2) and SQRT(32).</pre>
 
 <pre> -M &lt;num&gt;
  The distance multiplier (default 4.0).</pre>
 
 <pre> -C &lt;num&gt;
  The number of cycles (default 4).</pre>
 
 <pre> -O
  Flag for input order is ORDERED. If flag 