Rough Dentogram ( clustering based on segment distance )

   AE 51  56  
   !  
   6--AE 35  40  
   !     
   9-----AE 72  78  
   !        
   7--------AL 57  65  
   !           
   !           AL 88  95  
   !           !  
   11----------4--AL  1  10  
   !                 
   !                 AE 96  98  
   !                 !  
   !                 12-AL 66  71  
   !                 !     
   !                 8-----AL 41  49  
   !                 !        
   5-----------------1--------AL 12  21  
   !                             
   !                             AL 79  87  
   !                             !  
   !                             10-AL 32  34  
   !                             !     
   2-----------------------------3-----AL 22  31  
  /
 /