0.018753 Sound On 778.471270 Sound Off 779.121315 Sound On 780.006417 Sound Off 781.120363 Sound On 1331.557868 Sound Off 1332.283537 Sound On 1452.808186 Sound Off 1453.969048 Sound On 1742.641179 Sound Off 1743.508594 Sound On 3604.480000 Sound Off