Rough Dentogram ( clustering based on segment distance )

    L 83  91  
   !  
   8-- H 82  82  
   !     
   !      H 67  82  
   !     !  
   !     6-- H 47  57  
   !     !     
   !     !      L 42  46  
   !     !     !  
   7-----4-----3-- H 33  41  
   !                 
   5----------------- L 58  66  
   !                    
   !                     L 22  30  
   !                    !  
   2--------------------1-- H 11  21  
   !                          
   9-------------------------- L 92 100  
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