0.901383 Sound On 869.889048 Sound Off 870.823061 Sound On 975.021927 Sound Off 975.841293 Sound On 1500.018730 Sound Off 1500.842200 Sound On 1769.573537 Sound Off 1770.804286 Sound On 1785.474036 Sound Off 1786.221156 Sound On 3604.480000 Sound Off