Rough Dentogram ( clustering based on segment distance )

   AE  63  65 
   !  
   9--AE   2   3 
   !     
   6-----AE  46  48 
   !        
   !        AL  41  45 
   !        !  
   4--------5--AH  31  40 
   !              
   10-------------AL  66  71 
   !                 
   11----------------AH  72  83 
   !                    
   !                    AL  58  62 
   !                    !  
   7--------------------8--AL  49  57 
   !                          
   !                          AL  14  22 
   !                          !  
   !                          2--AL   4  13 
   !                          !     
   1--------------------------3-----AL  23  30 
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