0.020249 Sound On 29.491769 Sound Off 31.172041 Sound On 869.923061 Sound Off 870.989206 Sound On 900.355782 Sound Off 901.246825 Sound On 914.868912 Sound Off 915.934830 Sound On 975.578639 Sound Off 976.470249 Sound On 1769.928277 Sound Off 1771.077528 Sound On 1785.299070 Sound Off 1786.374059 Sound On 3604.480000 Sound Off