0.024626 Sound On 437.064807 Sound Off 439.188435 Sound On 696.356417 Sound Off 698.259320 Sound On 1074.546259 Sound Off 1075.710023 Sound On 1349.774036 Sound Off 1350.615964 Sound On 1521.131791 Sound Off 1522.421610 Sound On 1773.102766 Sound Off 1776.023175 Sound On 3604.480000 Sound Off