Rough Dentogram ( clustering based on segment distance )

   YL410 418  
   !  
   10-YL377 387  
   !     
   !     YL399 403  
   !     !  
   !     8--YH392 398  
   !     !     
   !     9-----YH404 409  
   !     !        
   6-----7--------YL388 391  
   !                 
   !                 YL359 367  
   !                 !  
   !                 3--YL341 349  
   !                 !     
   !                 !     YL350 358  
   !                 !     !  
   !                 1-----2--YL332 340  
   !                 !           
   5-----------------4-----------YL368 376  
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