Rough Dentogram ( clustering based on segment distance )

   AL 42  49  
   !  
   4--AL 32  41  
   !     
   9-----AL 90 106  
   !        
   8--------AH 87  89  
   !           
   12----------AL125 133  
   !              
   !              AE107 109  
   !              !  
   !              10-AE 29  31  
   !              !     
   !              5-----AH 50  60  
   !              !        
   !              11-------AH112 124  
   !              !           
   !              !           AL 22  28  
   !              !           !  
   !              3-----------1--AH 12  21  
   !              !                 
   2--------------7-----------------AH 72  87  
   !                                   
   6-----------------------------------AL 61  69  
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