0.884467 Sound On 29.484717 Sound Off 30.829955 Sound On 870.006236 Sound Off 870.585714 Sound On 900.067982 Sound Off 900.700884 Sound On 915.110907 Sound Off 915.842200 Sound On 1770.039501 Sound Off 1770.573447 Sound On 1785.014649 Sound Off 1786.021769 Sound On 3604.480000 Sound Off