Rough Dentogram ( clustering based on segment distance )

    L 40  48  
   !  
   5-- H 39  39  
   !     
   6----- L 49  56  
   !        
   !         L 79  87  
   !        !  
   !        10- L 70  78  
   !        !     
   !        !      L 61  69  
   !        !     !  
   !        9-----8-- H 57  60  
   !        !           
   7--------4----------- H 24  39  
   !                       
   !                        L 19  23  
   !                       !  
   !                       2-- L 10  18  
   !                       !     
   3-----------------------1----- L  1   9  
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