private void exitActionPerformed(java.awt.event.ActionEvent evt) {
		if (size14.isSelected()) {
			Maze.gridSize = 14;
			Maze.afterChoose();
			this.dispose();
		} else if(size19.isSelected()) {
			Maze.gridSize = 19;
			Maze.afterChoose();
			this.dispose();
		} else if(size20.isSelected()) {
			Maze.gridSize = 20;
			Maze.afterChoose();
			this.dispose();
		} else if(size21.isSelected()) {
			Maze.gridSize = 21;
			Maze.afterChoose();
			this.dispose();
		} else if (size27.isSelected()) {
			Maze.gridSize = 27;
			Maze.afterChoose();
			this.dispose();
		} else if(size28.isSelected()){
			Maze.gridSize = 28;
			Maze.afterChoose();
			this.dispose();
		} else if(size29.isSelected()){
			Maze.gridSize = 29;
			Maze.afterChoose();
			this.dispose();
		} else if(size30.isSelected()){
			Maze.gridSize = 30;
			Maze.afterChoose();
			this.dispose();
		}
	}