anchor.diff:        _clearCanvas();
         _context
             ..font = fontSize.toString() + "px Monospace"
  +          ..fillStyle = _COLOR
             ..fillText(name.toUpperCase(), (_canvas.width / 2) - ((_FONT_SIZE / 2) * (name.length / 2)), (_canvas.height / 2) - (_FONT_SIZE / 2)); // Put text to canvas center by calculation from font size.
         _board = _getPointsFromCanvas();
         new Timer(new Duration(milliseconds: _INIT_TIME), () {
  
positive.code: import 'package:paper_elements/paper_action_dialog.dart';
  import 'game_of_life.dart';
  import 'dart:async';
  
  // Helper class
  class Message {
  
negative.code:   // TODO: Implement also method previous.
    void next() {
      _board = step(_board);
      _render(_board, circle:true);
  
      _counter--;
      aging = (int.parse(age) - _counter).toString();
  