0.020952 Sound On 11.893946 Sound Off 13.067551 Sound On 65.658345 Sound Off 66.656077 Sound On 496.644603 Sound Off 499.782993 Sound On 1548.150499 Sound Off 1549.889342 Sound On 1638.541406 Sound Off 1642.578639 Sound On 3604.480000 Sound Off