+ModuleDeclaration@[А,Я]
  +Block@[0,-1]
    +RubySingletonMethodDeclaration@[Б,Я][Б,Д]
      +ConstantReference@[Б,В]
      -ConstantReference
      +Argument@[Е,Ё][Е,Ё]
      -Argument
      +Argument@[Ж,З][Ж,З]
      -Argument
      +Argument@[И,К][И,К]
      -Argument
      +Block@[0,-1]
        +NumericLiteral@[Л,М]
        -NumericLiteral
      -Block
    -RubySingletonMethodDeclaration
  -Block
-ModuleDeclaration