0.025488 Sound On 30.220816 Sound Off 31.146712 Sound On 180.538209 Sound Off 181.148209 Sound On 870.288073 Sound Off 870.952857 Sound On 899.862698 Sound Off 901.092200 Sound On 975.180249 Sound Off 976.064512 Sound On 1785.582857 Sound Off 1786.377619 Sound On 3604.480000 Sound Off