Rough Dentogram ( clustering based on segment distance )

   CE 81  84  
   !  
   11-CE 72  74  
   !     
   !     CE 32  34  
   !     !  
   !     4--CE 25  26  
   !     !     
   6-----3-----CL 27  31  
   !              
   10-------------CL 75  80  
   !                 
   5-----------------CL 35  37  
   !                    
   2--------------------CL 15  23  
   !                       
   1-----------------------CH  7  14  
   !                          
   9--------------------------CH 56  69  
   !                             
   12----------------------------CL 85  93  
   !                                
   !                                CL 50  55  
   !                                !  
   8--------------------------------7--CH 38  49  
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