example taken from: http://www.opendylan.org/books/drm/Method_Dispatch

         옵젳Ṯ
           ^
           |
        ᓕᵮꡠＦᚖᶭ 
         ^    ^
        /      \
   Sㄣ�enŦ    빞엗ᱞ
      ^          ^
      |          |
 ᕟ텔li�ț  Hʉ만ӫ�
       ^        ^
        \      /
         ቩᓪ찬

 define class <Sㄣ�enŦ> (<ᓕᵮꡠＦᚖᶭ>) end class;
 define class <빞엗ᱞ> (<ᓕᵮꡠＦᚖᶭ>) end class;
 define class <ᕟ텔li�ț> (<Sㄣ�enŦ>) end class;
 define class <Hʉ만ӫ�> (<빞엗ᱞ>) end class;
 define class <ቩᓪ찬> (<ᕟ텔li�ț>, <Hʉ만ӫ�>) end class;