Rough Dentogram ( clustering based on segment distance )

   AH  89  95 
   !  
   10-AL  85  88 
   !     
   !     AH  77  84 
   !     !  
   !     8--AL  74  76 
   !     !     
   !     !     AL  65  73 
   !     !     !  
   !     7-----6--AH  57  64 
   !     !           
   !     3-----------AL  26  34 
   !     !              
   !     5--------------AH  35  44 
   !     !                 
   9-----4-----------------AH  47  54 
   !                          
   !                          AL  17  25 
   !                          !  
   2--------------------------1--AH   2  16 
   !                                
   11-------------------------------AL  96 104 
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