When you click the green flag,you will hear a tetris sound ___________________________________________ 1.tetris start sound 2.tetris sound 3.tetris revese sound+tetris echo sound 4.stop all 5.play all 6.3 sound in the same time play(echo(23.52=1,180.46=2,65.30=3(sec)so,1<2>3,1<3) (23.52=1,180.46=2,65.30=3(sec))
I use ideas
