j                j  
  jj              jj  
mmjjj            jjjmm
m mjjjjj      jjjhjj j
mmmjjjjjjjjjjjjjhhjjjj
  mjjjjjjjjjjjhjhhjj  
  mmjjjjjjjjjjhjhhjj  
  mmmjjjjjjjjjhjhhjj  
  mmmmjjjjjjjjhjhjjm  
  mmmmmmjjjjjjhjhjjm  
   mmmmmmjjjjjhjjmmm  
   mmmmmmmjjjjjjmmm   
    mmmmmmmmmmmmmmm   
     mmmmmmmmmmmmm    
       mmmmmmmmm      
         mmmmm