Rough Dentogram ( clustering based on segment distance )

    L 84  88  
   !  
   11- H 61  69  
   !     
   !      L 75  83  
   !     !  
   9-----10- H 71  74  
   !           
   !            L 55  60  
   !           !  
   !           7-- L 34  42  
   !           !     
   !           !      H 50  54  
   !           !     !  
   4-----------8-----6-- L 43  49  
   !                       
   !                        H 89 101  
   !                       !  
   !                       1-- H  6  13  
   !                       !     
   !                       12---- L -5   4  
   !                       !        
   !                       !         L 24  33  
   !                       !        !  
   5-----------------------2--------3-- L 14  23  
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