-- SAMPLE 1 --
xx      xxxxxx      xxxxxx      xxxxxx      xxxxxx      
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
  xxxxxx      xxxxxx      xxxxxx      xxxxxx      xxxxxx
*
-- SAMPLE 2 --
 xxx             xxx             xxx             xxx    
x   x           x   x           x   x           x   x   
     x         x     x         x     x         x     x  
                      x               x               x 
      x       x               x               x         
       x     x         x     x         x     x         x
        x   x           x   x           x   x           
         xxx             xxx             xxx            
*
-- SAMPLE 3 --
 xx        xx        xx        xx        xx        xx   
x  x      x  x      x  x      x  x      x  x      x  x  
                                                        
              x         x         x         x         x 
    x    x         x         x         x         x      
                                                        
     x  x      x  x      x  x      x  x      x  x      x
      xx        xx        xx        xx        xx        
*
-- SAMPLE 4 --
              xxx                 xxx                 xxx                 xxx   
             x   x               x   x               x   x               x   x  
            x     x             x     x             x     x             x     x 
                                                                                
           x       x           x       x           x       x           x       x
                    x                   x                   x                   
x         x                   x                   x                   x         
 x       x           x       x           x       x           x       x          
                                                                                
  x     x             x     x             x     x             x     x           
   x   x               x   x               x   x               x   x            
    xxx                 xxx                 xxx                 xxx             
*
-- SAMPLE 5 --
          xxxxxxxxxx          xxxxxxxxxx          xxxxxxxxxx          xxxxxxxxxx
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
xxxxxxxxxx          xxxxxxxxxx          xxxxxxxxxx          xxxxxxxxxx          
*
