0.025692 Sound On 33.573696 Sound Off 34.381020 Sound On 568.725329 Sound Off 569.254195 Sound On 687.611950 Sound Off 688.291247 Sound On 1187.920680 Sound Off 1188.631950 Sound On 1679.299796 Sound Off 1685.066712 Sound On 3604.480000 Sound Off