0.025578 Sound On 899.398141 Sound Off 900.755782 Sound On 914.733605 Sound Off 915.971020 Sound On 1500.230907 Sound Off 1500.744671 Sound On 1769.919093 Sound Off 1770.502358 Sound On 1785.058730 Sound Off 1785.961338 Sound On 3599.018662 Sound Off