ttttttttttttttttt    
      tttttffLLLLLLLffttt    
    ttttfLCCCCCCCCCCCCCLt    
    ttfCCCCCCLLffffLLCCCf    
   ttLCCCCLfttttttttttfft    
   tLCCCCftttttt  ttttttt    
   tCCCCfitt           tt    
   fCCCCtt                   
   fCCCLt                    
   fCCCCtt                   
   tCCCCfttt           tt    
   tfCCCCfttttttttttttttt    
   ttfCCCCLfttttttttttfft    
    ttfLCCCCCLLLffLLLCCCt    
     ttttfLCCCCCCCCCCCCLt    
      tttttttfffffffftttt    
         111ttttttttttttt