BW.gif
YFBWGameView *gameView = [[YFBWGameView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:gameView];
[gameView beginGame];
YFBWGameView *gameView = [[YFBWGameView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:gameView];
[gameView beginGame];