0.208481 Sound On 30.121247 Sound Off 31.075215 Sound On 870.438073 Sound Off 871.194830 Sound On 900.308413 Sound Off 901.068254 Sound On 975.160612 Sound Off 976.072721 Sound On 1770.126689 Sound Off 1771.171247 Sound On 1785.384422 Sound Off 1786.439478 Sound On 3604.480000 Sound Off