Rough Dentogram ( clustering based on segment distance )

    L138 141  
   !  
   7-- H127 137  
   !     
   !      L123 126  
   !     !  
   6-----5-- H116 122  
   !           
   8----------- H142 153  
   !              
   !               H157 165  
   !              !  
   !              10- L154 156  
   !              !     
   !              !      H 90  98  
   !              !     !  
   !              9-----2-- L 85  89  
   !              !           
   !              1----------- L 76  84  
   !              !              
   4--------------3-------------- H101 116  
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