1 OuterClass[value=apple]
   2 InnerStaticClass[value=orange]
   3 InnerNonStaticClass[value=pear, outer=OuterClass[value=apple]]
   4 OuterClass[value=red]
   5 InnerStaticClass[value=green]
   6 InnerNonStaticClass[value=blue, outer=OuterClass[value=red]]
   7 OuterClass[value=sweet]
   8 InnerStaticClass[value=sour]
   9 InnerNonStaticClass[value=bitter, outer=OuterClass[value=sweet]]