this.frame = new MainFrame("2-Sides-PLL", cubeView, cubeModel);
// Listeners
this.frame.addKeyListener(new ResetCubeViewListener(this.cubeModel));
this.frame.addKeyListener(new SpaceListener(this.cubeModel));
this.frame.addWindowListener(new WindowCloseListener(this.cubeModel));
// Observers
this.cubeModel.addObserver(this.cubeView);
}