anchor.diff:  
     final RenderDecoratedBox root = new RenderDecoratedBox(
       decoration: const BoxDecoration(color: const Color(0xFFFFFFFF)),
  -    child: new RenderPadding(child: table, padding: const EdgeInsets.symmetric(vertical: 50.0))
  +    child: new RenderPadding(child: table, padding: const EdgeInsets.symmetric(vertical: 50.0)),
     );
   
     new RenderingFlutterBinding(root: root);
  
positive.code:         textDirection: TextDirection.ltr,
        ),
      ));
      final RenderFlex subrow = new RenderFlex(crossAxisAlignment: crossAxisAlignment, textBaseline: TextBaseline.alphabetic);
      style = const TextStyle(fontSize: 25.0, color: const Color(0xFF000000));
      subrow.add(new RenderDecoratedBox(
        decoration: const BoxDecoration(color: const Color(0x7FCCCCFF)),
  
negative.code:       textDirection: TextDirection.ltr,
      );
      table.add(new RenderPadding(child: paragraph, padding: const EdgeInsets.only(top: 20.0)));
      final RenderFlex row = new RenderFlex(crossAxisAlignment: crossAxisAlignment, textBaseline: TextBaseline.alphabetic, textDirection: TextDirection.ltr);
      style = const TextStyle(fontSize: 15.0, color: const Color(0xFF000000));
      row.add(new RenderDecoratedBox(
        decoration: const BoxDecoration(color: const Color(0x7FFFCCCC)),
  